217654720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 112

約数和(自身を含む): 550395648

約数和(自身を除く): 332740928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 320, 370, 496, 592, 593, 620, 740, 992, 1147, 1184, 1186, 1240, 1480, 1984, 2294, 2368, 2372, 2480, 2960, 2965, 4588, 4744, 4960, 5735, 5920, 5930, 9176, 9488, 9920, 11470, 11840, 11860, 18352, 18383, 18976, 21941, 22940, 23720, 36704, 36766, 37952, 43882, 45880, 47440, 73408, 73532, 87764, 91760, 91915, 94880, 109705, 147064, 175528, 183520, 183830, 189760, 219410, 294128, 351056, 367040, 367660, 438820, 588256, 680171, 702112, 735320, 877640, 1176512, 1360342, 1404224, 1470640, 1755280, 2720684, 2941280, 3400855, 3510560, 5441368, 5882560, 6801710, 7021120, 10882736, 13603420, 21765472, 27206840, 43530944, 54413680, 108827360, 217654720]

約数ペア:

[(1, 217654720), (2, 108827360), (4, 54413680), (5, 43530944), (8, 27206840), (10, 21765472), (16, 13603420), (20, 10882736), (31, 7021120), (32, 6801710), (37, 5882560), (40, 5441368), (62, 3510560), (64, 3400855), (74, 2941280), (80, 2720684), (124, 1755280), (148, 1470640), (155, 1404224), (160, 1360342), (185, 1176512), (248, 877640), (296, 735320), (310, 702112), (320, 680171), (370, 588256), (496, 438820), (592, 367660), (593, 367040), (620, 351056), (740, 294128), (992, 219410), (1147, 189760), (1184, 183830), (1186, 183520), (1240, 175528), (1480, 147064), (1984, 109705), (2294, 94880), (2368, 91915), (2372, 91760), (2480, 87764), (2960, 73532), (2965, 73408), (4588, 47440), (4744, 45880), (4960, 43882), (5735, 37952), (5920, 36766), (5930, 36704), (9176, 23720), (9488, 22940), (9920, 21941), (11470, 18976), (11840, 18383), (11860, 18352)]