39578940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 127685376

約数和(自身を除く): 88106436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 82, 90, 93, 123, 124, 155, 164, 173, 180, 186, 205, 246, 279, 310, 346, 369, 372, 410, 465, 492, 519, 558, 615, 620, 692, 738, 820, 865, 930, 1038, 1116, 1230, 1271, 1395, 1476, 1557, 1730, 1845, 1860, 2076, 2460, 2542, 2595, 2790, 3114, 3460, 3690, 3813, 5084, 5190, 5363, 5580, 6228, 6355, 7093, 7380, 7626, 7785, 10380, 10726, 11439, 12710, 14186, 15252, 15570, 16089, 19065, 21279, 21452, 22878, 25420, 26815, 28372, 31140, 32178, 35465, 38130, 42558, 45756, 48267, 53630, 57195, 63837, 64356, 70930, 76260, 80445, 85116, 96534, 106395, 107260, 114390, 127674, 141860, 160890, 193068, 212790, 219883, 228780, 241335, 255348, 319185, 321780, 425580, 439766, 482670, 638370, 659649, 879532, 965340, 1099415, 1276740, 1319298, 1978947, 2198830, 2638596, 3298245, 3957894, 4397660, 6596490, 7915788, 9894735, 13192980, 19789470, 39578940]

約数ペア:

[(1, 39578940), (2, 19789470), (3, 13192980), (4, 9894735), (5, 7915788), (6, 6596490), (9, 4397660), (10, 3957894), (12, 3298245), (15, 2638596), (18, 2198830), (20, 1978947), (30, 1319298), (31, 1276740), (36, 1099415), (41, 965340), (45, 879532), (60, 659649), (62, 638370), (82, 482670), (90, 439766), (93, 425580), (123, 321780), (124, 319185), (155, 255348), (164, 241335), (173, 228780), (180, 219883), (186, 212790), (205, 193068), (246, 160890), (279, 141860), (310, 127674), (346, 114390), (369, 107260), (372, 106395), (410, 96534), (465, 85116), (492, 80445), (519, 76260), (558, 70930), (615, 64356), (620, 63837), (692, 57195), (738, 53630), (820, 48267), (865, 45756), (930, 42558), (1038, 38130), (1116, 35465), (1230, 32178), (1271, 31140), (1395, 28372), (1476, 26815), (1557, 25420), (1730, 22878), (1845, 21452), (1860, 21279), (2076, 19065), (2460, 16089), (2542, 15570), (2595, 15252), (2790, 14186), (3114, 12710), (3460, 11439), (3690, 10726), (3813, 10380), (5084, 7785), (5190, 7626), (5363, 7380), (5580, 7093), (6228, 6355)]