1331306880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1049}}^1$

素因数の和:1732

約数の個数: 128

約数和(自身を含む): 4254012000

約数和(自身を除く): 2922705120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 661, 960, 1049, 1322, 1920, 1983, 2098, 2644, 3147, 3305, 3966, 4196, 5245, 5288, 6294, 6610, 7932, 8392, 9915, 10490, 10576, 12588, 13220, 15735, 15864, 16784, 19830, 20980, 21152, 25176, 26440, 31470, 31728, 33568, 39660, 41960, 42304, 50352, 52880, 62940, 63456, 67136, 79320, 83920, 84608, 100704, 105760, 125880, 126912, 134272, 158640, 167840, 201408, 211520, 251760, 253824, 317280, 335680, 402816, 423040, 503520, 634560, 671360, 693389, 1007040, 1269120, 1386778, 2014080, 2080167, 2773556, 3466945, 4160334, 5547112, 6933890, 8320668, 10400835, 11094224, 13867780, 16641336, 20801670, 22188448, 27735560, 33282672, 41603340, 44376896, 55471120, 66565344, 83206680, 88753792, 110942240, 133130688, 166413360, 221884480, 266261376, 332826720, 443768960, 665653440, 1331306880]

約数ペア:

[(1, 1331306880), (2, 665653440), (3, 443768960), (4, 332826720), (5, 266261376), (6, 221884480), (8, 166413360), (10, 133130688), (12, 110942240), (15, 88753792), (16, 83206680), (20, 66565344), (24, 55471120), (30, 44376896), (32, 41603340), (40, 33282672), (48, 27735560), (60, 22188448), (64, 20801670), (80, 16641336), (96, 13867780), (120, 11094224), (128, 10400835), (160, 8320668), (192, 6933890), (240, 5547112), (320, 4160334), (384, 3466945), (480, 2773556), (640, 2080167), (661, 2014080), (960, 1386778), (1049, 1269120), (1322, 1007040), (1920, 693389), (1983, 671360), (2098, 634560), (2644, 503520), (3147, 423040), (3305, 402816), (3966, 335680), (4196, 317280), (5245, 253824), (5288, 251760), (6294, 211520), (6610, 201408), (7932, 167840), (8392, 158640), (9915, 134272), (10490, 126912), (10576, 125880), (12588, 105760), (13220, 100704), (15735, 84608), (15864, 83920), (16784, 79320), (19830, 67136), (20980, 63456), (21152, 62940), (25176, 52880), (26440, 50352), (31470, 42304), (31728, 41960), (33568, 39660)]