217121520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 320

約数和(自身を含む): 868515840

約数和(自身を除く): 651394320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 48, 55, 56, 60, 62, 66, 70, 77, 80, 84, 88, 93, 105, 110, 112, 120, 124, 132, 140, 154, 155, 165, 168, 176, 186, 210, 217, 220, 231, 240, 248, 264, 280, 308, 310, 330, 336, 341, 372, 379, 385, 420, 434, 440, 462, 465, 496, 528, 560, 616, 620, 651, 660, 682, 744, 758, 770, 840, 868, 880, 924, 930, 1023, 1085, 1137, 1155, 1232, 1240, 1302, 1320, 1364, 1488, 1516, 1540, 1680, 1705, 1736, 1848, 1860, 1895, 2046, 2170, 2274, 2310, 2387, 2480, 2604, 2640, 2653, 2728, 3032, 3080, 3255, 3410, 3472, 3696, 3720, 3790, 4092, 4169, 4340, 4548, 4620, 4774, 5115, 5208, 5306, 5456, 5685, 6064, 6160, 6510, 6820, 7161, 7440, 7580, 7959, 8184, 8338, 8680, 9096, 9240, 9548, 10230, 10416, 10612, 11370, 11749, 11935, 12507, 13020, 13265, 13640, 14322, 15160, 15918, 16368, 16676, 17360, 18192, 18480, 19096, 20460, 20845, 21224, 22740, 23498, 23870, 25014, 26040, 26530, 27280, 28644, 29183, 30320, 31836, 33352, 35247, 35805, 38192, 39795, 40920, 41690, 42448, 45480, 46996, 47740, 50028, 52080, 53060, 57288, 58366, 58745, 62535, 63672, 66704, 70494, 71610, 79590, 81840, 82243, 83380, 87549, 90960, 93992, 95480, 100056, 106120, 114576, 116732, 117490, 125070, 127344, 129239, 140988, 143220, 145915, 159180, 164486, 166760, 175098, 176235, 187984, 190960, 200112, 212240, 233464, 234980, 246729, 250140, 258478, 281976, 286440, 291830, 318360, 328972, 333520, 350196, 352470, 387717, 411215, 437745, 466928, 469960, 493458, 500280, 516956, 563952, 572880, 583660, 636720, 646195, 657944, 700392, 704940, 775434, 822430, 875490, 904673, 939920, 986916, 1000560, 1033912, 1167320, 1233645, 1292390, 1315888, 1400784, 1409880, 1550868, 1644860, 1750980, 1809346, 1938585, 1973832, 2067824, 2334640, 2467290, 2584780, 2714019, 2819760, 3101736, 3289720, 3501960, 3618692, 3877170, 3947664, 4523365, 4934580, 5169560, 5428038, 6203472, 6579440, 7003920, 7237384, 7754340, 9046730, 9869160, 10339120, 10856076, 13570095, 14474768, 15508680, 18093460, 19738320, 21712152, 27140190, 31017360, 36186920, 43424304, 54280380, 72373840, 108560760, 217121520]

約数ペア:

[(1, 217121520), (2, 108560760), (3, 72373840), (4, 54280380), (5, 43424304), (6, 36186920), (7, 31017360), (8, 27140190), (10, 21712152), (11, 19738320), (12, 18093460), (14, 15508680), (15, 14474768), (16, 13570095), (20, 10856076), (21, 10339120), (22, 9869160), (24, 9046730), (28, 7754340), (30, 7237384), (31, 7003920), (33, 6579440), (35, 6203472), (40, 5428038), (42, 5169560), (44, 4934580), (48, 4523365), (55, 3947664), (56, 3877170), (60, 3618692), (62, 3501960), (66, 3289720), (70, 3101736), (77, 2819760), (80, 2714019), (84, 2584780), (88, 2467290), (93, 2334640), (105, 2067824), (110, 1973832), (112, 1938585), (120, 1809346), (124, 1750980), (132, 1644860), (140, 1550868), (154, 1409880), (155, 1400784), (165, 1315888), (168, 1292390), (176, 1233645), (186, 1167320), (210, 1033912), (217, 1000560), (220, 986916), (231, 939920), (240, 904673), (248, 875490), (264, 822430), (280, 775434), (308, 704940), (310, 700392), (330, 657944), (336, 646195), (341, 636720), (372, 583660), (379, 572880), (385, 563952), (420, 516956), (434, 500280), (440, 493458), (462, 469960), (465, 466928), (496, 437745), (528, 411215), (560, 387717), (616, 352470), (620, 350196), (651, 333520), (660, 328972), (682, 318360), (744, 291830), (758, 286440), (770, 281976), (840, 258478), (868, 250140), (880, 246729), (924, 234980), (930, 233464), (1023, 212240), (1085, 200112), (1137, 190960), (1155, 187984), (1232, 176235), (1240, 175098), (1302, 166760), (1320, 164486), (1364, 159180), (1488, 145915), (1516, 143220), (1540, 140988), (1680, 129239), (1705, 127344), (1736, 125070), (1848, 117490), (1860, 116732), (1895, 114576), (2046, 106120), (2170, 100056), (2274, 95480), (2310, 93992), (2387, 90960), (2480, 87549), (2604, 83380), (2640, 82243), (2653, 81840), (2728, 79590), (3032, 71610), (3080, 70494), (3255, 66704), (3410, 63672), (3472, 62535), (3696, 58745), (3720, 58366), (3790, 57288), (4092, 53060), (4169, 52080), (4340, 50028), (4548, 47740), (4620, 46996), (4774, 45480), (5115, 42448), (5208, 41690), (5306, 40920), (5456, 39795), (5685, 38192), (6064, 35805), (6160, 35247), (6510, 33352), (6820, 31836), (7161, 30320), (7440, 29183), (7580, 28644), (7959, 27280), (8184, 26530), (8338, 26040), (8680, 25014), (9096, 23870), (9240, 23498), (9548, 22740), (10230, 21224), (10416, 20845), (10612, 20460), (11370, 19096), (11749, 18480), (11935, 18192), (12507, 17360), (13020, 16676), (13265, 16368), (13640, 15918), (14322, 15160)]