20868802080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{2557}}^1$

素因数の和:2936

約数の個数: 288

約数和(自身を含む): 76719617856

約数和(自身を除く): 55850815776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 347, 392, 420, 480, 490, 560, 588, 672, 694, 735, 784, 840, 980, 1041, 1120, 1176, 1388, 1470, 1568, 1680, 1735, 1960, 2082, 2352, 2429, 2557, 2776, 2940, 3360, 3470, 3920, 4164, 4704, 4858, 5114, 5205, 5552, 5880, 6940, 7287, 7671, 7840, 8328, 9716, 10228, 10410, 11104, 11760, 12145, 12785, 13880, 14574, 15342, 16656, 17003, 17899, 19432, 20456, 20820, 23520, 24290, 25570, 27760, 29148, 30684, 33312, 34006, 35798, 36435, 38355, 38864, 40912, 41640, 48580, 51009, 51140, 53697, 55520, 58296, 61368, 68012, 71596, 72870, 76710, 77728, 81824, 83280, 85015, 89495, 97160, 102018, 102280, 107394, 116592, 122736, 125293, 136024, 143192, 145740, 153420, 166560, 170030, 178990, 194320, 204036, 204560, 214788, 233184, 245472, 250586, 255045, 268485, 272048, 286384, 291480, 306840, 340060, 357980, 375879, 388640, 408072, 409120, 429576, 501172, 510090, 536970, 544096, 572768, 582960, 613680, 626465, 680120, 715960, 751758, 816144, 859152, 887279, 1002344, 1020180, 1073940, 1165920, 1227360, 1252930, 1360240, 1431920, 1503516, 1632288, 1718304, 1774558, 1879395, 2004688, 2040360, 2147880, 2505860, 2661837, 2720480, 2863840, 3007032, 3549116, 3758790, 4009376, 4080720, 4295760, 4436395, 5011720, 5323674, 6014064, 6210953, 7098232, 7517580, 8161440, 8591520, 8872790, 10023440, 10647348, 12028128, 12421906, 13309185, 14196464, 15035160, 17745580, 18632859, 20046880, 21294696, 24843812, 26618370, 28392928, 30070320, 31054765, 35491160, 37265718, 42589392, 43476671, 49687624, 53236740, 60140640, 62109530, 70982320, 74531436, 85178784, 86953342, 93164295, 99375248, 106473480, 124219060, 130430013, 141964640, 149062872, 173906684, 186328590, 198750496, 212946960, 217383355, 248438120, 260860026, 298125744, 347813368, 372657180, 425893920, 434766710, 496876240, 521720052, 596251488, 652150065, 695626736, 745314360, 869533420, 993752480, 1043440104, 1304300130, 1391253472, 1490628720, 1739066840, 2086880208, 2608600260, 2981257440, 3478133680, 4173760416, 5217200520, 6956267360, 10434401040, 20868802080]

約数ペア:

[(1, 20868802080), (2, 10434401040), (3, 6956267360), (4, 5217200520), (5, 4173760416), (6, 3478133680), (7, 2981257440), (8, 2608600260), (10, 2086880208), (12, 1739066840), (14, 1490628720), (15, 1391253472), (16, 1304300130), (20, 1043440104), (21, 993752480), (24, 869533420), (28, 745314360), (30, 695626736), (32, 652150065), (35, 596251488), (40, 521720052), (42, 496876240), (48, 434766710), (49, 425893920), (56, 372657180), (60, 347813368), (70, 298125744), (80, 260860026), (84, 248438120), (96, 217383355), (98, 212946960), (105, 198750496), (112, 186328590), (120, 173906684), (140, 149062872), (147, 141964640), (160, 130430013), (168, 124219060), (196, 106473480), (210, 99375248), (224, 93164295), (240, 86953342), (245, 85178784), (280, 74531436), (294, 70982320), (336, 62109530), (347, 60140640), (392, 53236740), (420, 49687624), (480, 43476671), (490, 42589392), (560, 37265718), (588, 35491160), (672, 31054765), (694, 30070320), (735, 28392928), (784, 26618370), (840, 24843812), (980, 21294696), (1041, 20046880), (1120, 18632859), (1176, 17745580), (1388, 15035160), (1470, 14196464), (1568, 13309185), (1680, 12421906), (1735, 12028128), (1960, 10647348), (2082, 10023440), (2352, 8872790), (2429, 8591520), (2557, 8161440), (2776, 7517580), (2940, 7098232), (3360, 6210953), (3470, 6014064), (3920, 5323674), (4164, 5011720), (4704, 4436395), (4858, 4295760), (5114, 4080720), (5205, 4009376), (5552, 3758790), (5880, 3549116), (6940, 3007032), (7287, 2863840), (7671, 2720480), (7840, 2661837), (8328, 2505860), (9716, 2147880), (10228, 2040360), (10410, 2004688), (11104, 1879395), (11760, 1774558), (12145, 1718304), (12785, 1632288), (13880, 1503516), (14574, 1431920), (15342, 1360240), (16656, 1252930), (17003, 1227360), (17899, 1165920), (19432, 1073940), (20456, 1020180), (20820, 1002344), (23520, 887279), (24290, 859152), (25570, 816144), (27760, 751758), (29148, 715960), (30684, 680120), (33312, 626465), (34006, 613680), (35798, 582960), (36435, 572768), (38355, 544096), (38864, 536970), (40912, 510090), (41640, 501172), (48580, 429576), (51009, 409120), (51140, 408072), (53697, 388640), (55520, 375879), (58296, 357980), (61368, 340060), (68012, 306840), (71596, 291480), (72870, 286384), (76710, 272048), (77728, 268485), (81824, 255045), (83280, 250586), (85015, 245472), (89495, 233184), (97160, 214788), (102018, 204560), (102280, 204036), (107394, 194320), (116592, 178990), (122736, 170030), (125293, 166560), (136024, 153420), (143192, 145740)]