388433520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6829}}^1$

素因数の和:6927

約数の個数: 120

約数和(自身を含む): 1321195200

約数和(自身を除く): 932761680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 6829, 7110, 9480, 11376, 13658, 14220, 18960, 20487, 27316, 28440, 34145, 40974, 54632, 56880, 61461, 68290, 81948, 102435, 109264, 122922, 136580, 163896, 204870, 245844, 273160, 307305, 327792, 409740, 491688, 539491, 546320, 614610, 819480, 983376, 1078982, 1229220, 1618473, 1638960, 2157964, 2458440, 2697455, 3236946, 4315928, 4855419, 4916880, 5394910, 6473892, 8092365, 8631856, 9710838, 10789820, 12947784, 16184730, 19421676, 21579640, 24277095, 25895568, 32369460, 38843352, 43159280, 48554190, 64738920, 77686704, 97108380, 129477840, 194216760, 388433520]

約数ペア:

[(1, 388433520), (2, 194216760), (3, 129477840), (4, 97108380), (5, 77686704), (6, 64738920), (8, 48554190), (9, 43159280), (10, 38843352), (12, 32369460), (15, 25895568), (16, 24277095), (18, 21579640), (20, 19421676), (24, 16184730), (30, 12947784), (36, 10789820), (40, 9710838), (45, 8631856), (48, 8092365), (60, 6473892), (72, 5394910), (79, 4916880), (80, 4855419), (90, 4315928), (120, 3236946), (144, 2697455), (158, 2458440), (180, 2157964), (237, 1638960), (240, 1618473), (316, 1229220), (360, 1078982), (395, 983376), (474, 819480), (632, 614610), (711, 546320), (720, 539491), (790, 491688), (948, 409740), (1185, 327792), (1264, 307305), (1422, 273160), (1580, 245844), (1896, 204870), (2370, 163896), (2844, 136580), (3160, 122922), (3555, 109264), (3792, 102435), (4740, 81948), (5688, 68290), (6320, 61461), (6829, 56880), (7110, 54632), (9480, 40974), (11376, 34145), (13658, 28440), (14220, 27316), (18960, 20487)]