64143940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 169207920

約数和(自身を除く): 105063980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 37, 49, 58, 61, 70, 74, 98, 116, 122, 140, 145, 148, 185, 196, 203, 244, 245, 259, 290, 305, 370, 406, 427, 490, 518, 580, 610, 740, 812, 854, 980, 1015, 1036, 1073, 1220, 1295, 1421, 1708, 1769, 1813, 2030, 2135, 2146, 2257, 2590, 2842, 2989, 3538, 3626, 4060, 4270, 4292, 4514, 5180, 5365, 5684, 5978, 7076, 7105, 7252, 7511, 8540, 8845, 9028, 9065, 10730, 11285, 11956, 12383, 14210, 14945, 15022, 15799, 17690, 18130, 21460, 22570, 24766, 28420, 29890, 30044, 31598, 35380, 36260, 37555, 45140, 49532, 52577, 59780, 61915, 63196, 65453, 75110, 78995, 86681, 105154, 110593, 123830, 130906, 150220, 157990, 173362, 210308, 221186, 247660, 261812, 262885, 315980, 327265, 346724, 433405, 442372, 458171, 525770, 552965, 654530, 866810, 916342, 1051540, 1105930, 1309060, 1733620, 1832684, 2211860, 2290855, 3207197, 4581710, 6414394, 9163420, 12828788, 16035985, 32071970, 64143940]

約数ペア:

[(1, 64143940), (2, 32071970), (4, 16035985), (5, 12828788), (7, 9163420), (10, 6414394), (14, 4581710), (20, 3207197), (28, 2290855), (29, 2211860), (35, 1832684), (37, 1733620), (49, 1309060), (58, 1105930), (61, 1051540), (70, 916342), (74, 866810), (98, 654530), (116, 552965), (122, 525770), (140, 458171), (145, 442372), (148, 433405), (185, 346724), (196, 327265), (203, 315980), (244, 262885), (245, 261812), (259, 247660), (290, 221186), (305, 210308), (370, 173362), (406, 157990), (427, 150220), (490, 130906), (518, 123830), (580, 110593), (610, 105154), (740, 86681), (812, 78995), (854, 75110), (980, 65453), (1015, 63196), (1036, 61915), (1073, 59780), (1220, 52577), (1295, 49532), (1421, 45140), (1708, 37555), (1769, 36260), (1813, 35380), (2030, 31598), (2135, 30044), (2146, 29890), (2257, 28420), (2590, 24766), (2842, 22570), (2989, 21460), (3538, 18130), (3626, 17690), (4060, 15799), (4270, 15022), (4292, 14945), (4514, 14210), (5180, 12383), (5365, 11956), (5684, 11285), (5978, 10730), (7076, 9065), (7105, 9028), (7252, 8845), (7511, 8540)]