19217520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 320

約数和(自身を含む): 79994880

約数和(自身を除く): 60777360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 41, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 82, 84, 90, 93, 105, 108, 112, 120, 123, 124, 126, 135, 140, 144, 155, 164, 168, 180, 186, 189, 205, 210, 216, 217, 240, 246, 248, 252, 270, 279, 280, 287, 310, 315, 328, 336, 360, 369, 372, 378, 410, 420, 432, 434, 465, 492, 496, 504, 540, 558, 560, 574, 615, 620, 630, 651, 656, 720, 738, 744, 756, 820, 837, 840, 861, 868, 930, 945, 984, 1008, 1080, 1085, 1107, 1116, 1148, 1230, 1240, 1260, 1271, 1302, 1395, 1435, 1476, 1488, 1512, 1640, 1674, 1680, 1722, 1736, 1845, 1860, 1890, 1953, 1968, 2160, 2170, 2214, 2232, 2296, 2460, 2480, 2520, 2542, 2583, 2604, 2790, 2870, 2952, 3024, 3255, 3280, 3348, 3444, 3472, 3690, 3720, 3780, 3813, 3906, 4185, 4305, 4340, 4428, 4464, 4592, 4920, 5040, 5084, 5166, 5208, 5535, 5580, 5740, 5859, 5904, 6355, 6510, 6696, 6888, 7380, 7440, 7560, 7626, 7749, 7812, 8370, 8610, 8680, 8856, 8897, 9765, 9840, 10168, 10332, 10416, 11070, 11160, 11439, 11480, 11718, 12710, 12915, 13020, 13392, 13776, 14760, 15120, 15252, 15498, 15624, 16740, 17220, 17360, 17712, 17794, 19065, 19530, 20336, 20664, 22140, 22320, 22878, 22960, 23436, 25420, 25830, 26040, 26691, 29295, 29520, 30504, 30996, 31248, 33480, 34317, 34440, 35588, 38130, 38745, 39060, 41328, 44280, 44485, 45756, 46872, 50840, 51660, 52080, 53382, 57195, 58590, 61008, 61992, 66960, 68634, 68880, 71176, 76260, 77490, 78120, 80073, 88560, 88970, 91512, 93744, 101680, 103320, 106764, 114390, 117180, 123984, 133455, 137268, 142352, 152520, 154980, 156240, 160146, 171585, 177940, 183024, 206640, 213528, 228780, 234360, 240219, 266910, 274536, 305040, 309960, 320292, 343170, 355880, 400365, 427056, 457560, 468720, 480438, 533820, 549072, 619920, 640584, 686340, 711760, 800730, 915120, 960876, 1067640, 1201095, 1281168, 1372680, 1601460, 1921752, 2135280, 2402190, 2745360, 3202920, 3843504, 4804380, 6405840, 9608760, 19217520]

約数ペア:

[(1, 19217520), (2, 9608760), (3, 6405840), (4, 4804380), (5, 3843504), (6, 3202920), (7, 2745360), (8, 2402190), (9, 2135280), (10, 1921752), (12, 1601460), (14, 1372680), (15, 1281168), (16, 1201095), (18, 1067640), (20, 960876), (21, 915120), (24, 800730), (27, 711760), (28, 686340), (30, 640584), (31, 619920), (35, 549072), (36, 533820), (40, 480438), (41, 468720), (42, 457560), (45, 427056), (48, 400365), (54, 355880), (56, 343170), (60, 320292), (62, 309960), (63, 305040), (70, 274536), (72, 266910), (80, 240219), (82, 234360), (84, 228780), (90, 213528), (93, 206640), (105, 183024), (108, 177940), (112, 171585), (120, 160146), (123, 156240), (124, 154980), (126, 152520), (135, 142352), (140, 137268), (144, 133455), (155, 123984), (164, 117180), (168, 114390), (180, 106764), (186, 103320), (189, 101680), (205, 93744), (210, 91512), (216, 88970), (217, 88560), (240, 80073), (246, 78120), (248, 77490), (252, 76260), (270, 71176), (279, 68880), (280, 68634), (287, 66960), (310, 61992), (315, 61008), (328, 58590), (336, 57195), (360, 53382), (369, 52080), (372, 51660), (378, 50840), (410, 46872), (420, 45756), (432, 44485), (434, 44280), (465, 41328), (492, 39060), (496, 38745), (504, 38130), (540, 35588), (558, 34440), (560, 34317), (574, 33480), (615, 31248), (620, 30996), (630, 30504), (651, 29520), (656, 29295), (720, 26691), (738, 26040), (744, 25830), (756, 25420), (820, 23436), (837, 22960), (840, 22878), (861, 22320), (868, 22140), (930, 20664), (945, 20336), (984, 19530), (1008, 19065), (1080, 17794), (1085, 17712), (1107, 17360), (1116, 17220), (1148, 16740), (1230, 15624), (1240, 15498), (1260, 15252), (1271, 15120), (1302, 14760), (1395, 13776), (1435, 13392), (1476, 13020), (1488, 12915), (1512, 12710), (1640, 11718), (1674, 11480), (1680, 11439), (1722, 11160), (1736, 11070), (1845, 10416), (1860, 10332), (1890, 10168), (1953, 9840), (1968, 9765), (2160, 8897), (2170, 8856), (2214, 8680), (2232, 8610), (2296, 8370), (2460, 7812), (2480, 7749), (2520, 7626), (2542, 7560), (2583, 7440), (2604, 7380), (2790, 6888), (2870, 6696), (2952, 6510), (3024, 6355), (3255, 5904), (3280, 5859), (3348, 5740), (3444, 5580), (3472, 5535), (3690, 5208), (3720, 5166), (3780, 5084), (3813, 5040), (3906, 4920), (4185, 4592), (4305, 4464), (4340, 4428)]