18748690880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{4621}}^1$

素因数の和:5078

約数の個数: 112

約数和(自身を含む): 46208167680

約数和(自身を除く): 27459476800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 409, 496, 620, 818, 992, 1240, 1636, 1984, 2045, 2480, 3272, 4090, 4621, 4960, 6544, 8180, 9242, 9920, 12679, 13088, 16360, 18484, 23105, 25358, 26176, 32720, 36968, 46210, 50716, 63395, 65440, 73936, 92420, 101432, 126790, 130880, 143251, 147872, 184840, 202864, 253580, 286502, 295744, 369680, 405728, 507160, 573004, 716255, 739360, 811456, 1014320, 1146008, 1432510, 1478720, 1889989, 2028640, 2292016, 2865020, 3779978, 4057280, 4584032, 5730040, 7559956, 9168064, 9449945, 11460080, 15119912, 18899890, 22920160, 30239824, 37799780, 45840320, 58589659, 60479648, 75599560, 117179318, 120959296, 151199120, 234358636, 292948295, 302398240, 468717272, 585896590, 604796480, 937434544, 1171793180, 1874869088, 2343586360, 3749738176, 4687172720, 9374345440, 18748690880]

約数ペア:

[(1, 18748690880), (2, 9374345440), (4, 4687172720), (5, 3749738176), (8, 2343586360), (10, 1874869088), (16, 1171793180), (20, 937434544), (31, 604796480), (32, 585896590), (40, 468717272), (62, 302398240), (64, 292948295), (80, 234358636), (124, 151199120), (155, 120959296), (160, 117179318), (248, 75599560), (310, 60479648), (320, 58589659), (409, 45840320), (496, 37799780), (620, 30239824), (818, 22920160), (992, 18899890), (1240, 15119912), (1636, 11460080), (1984, 9449945), (2045, 9168064), (2480, 7559956), (3272, 5730040), (4090, 4584032), (4621, 4057280), (4960, 3779978), (6544, 2865020), (8180, 2292016), (9242, 2028640), (9920, 1889989), (12679, 1478720), (13088, 1432510), (16360, 1146008), (18484, 1014320), (23105, 811456), (25358, 739360), (26176, 716255), (32720, 573004), (36968, 507160), (46210, 405728), (50716, 369680), (63395, 295744), (65440, 286502), (73936, 253580), (92420, 202864), (101432, 184840), (126790, 147872), (130880, 143251)]