123813840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 401688576

約数和(自身を除く): 277874736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 73, 74, 80, 111, 120, 146, 148, 185, 191, 219, 222, 240, 292, 296, 365, 370, 382, 438, 444, 555, 573, 584, 592, 730, 740, 764, 876, 888, 955, 1095, 1110, 1146, 1168, 1460, 1480, 1528, 1752, 1776, 1910, 2190, 2220, 2292, 2701, 2865, 2920, 2960, 3056, 3504, 3820, 4380, 4440, 4584, 5402, 5730, 5840, 7067, 7640, 8103, 8760, 8880, 9168, 10804, 11460, 13505, 13943, 14134, 15280, 16206, 17520, 21201, 21608, 22920, 27010, 27886, 28268, 32412, 35335, 40515, 41829, 42402, 43216, 45840, 54020, 55772, 56536, 64824, 69715, 70670, 81030, 83658, 84804, 106005, 108040, 111544, 113072, 129648, 139430, 141340, 162060, 167316, 169608, 209145, 212010, 216080, 223088, 278860, 282680, 324120, 334632, 339216, 418290, 424020, 515891, 557720, 565360, 648240, 669264, 836580, 848040, 1031782, 1115440, 1547673, 1673160, 1696080, 2063564, 2579455, 3095346, 3346320, 4127128, 5158910, 6190692, 7738365, 8254256, 10317820, 12381384, 15476730, 20635640, 24762768, 30953460, 41271280, 61906920, 123813840]

約数ペア:

[(1, 123813840), (2, 61906920), (3, 41271280), (4, 30953460), (5, 24762768), (6, 20635640), (8, 15476730), (10, 12381384), (12, 10317820), (15, 8254256), (16, 7738365), (20, 6190692), (24, 5158910), (30, 4127128), (37, 3346320), (40, 3095346), (48, 2579455), (60, 2063564), (73, 1696080), (74, 1673160), (80, 1547673), (111, 1115440), (120, 1031782), (146, 848040), (148, 836580), (185, 669264), (191, 648240), (219, 565360), (222, 557720), (240, 515891), (292, 424020), (296, 418290), (365, 339216), (370, 334632), (382, 324120), (438, 282680), (444, 278860), (555, 223088), (573, 216080), (584, 212010), (592, 209145), (730, 169608), (740, 167316), (764, 162060), (876, 141340), (888, 139430), (955, 129648), (1095, 113072), (1110, 111544), (1146, 108040), (1168, 106005), (1460, 84804), (1480, 83658), (1528, 81030), (1752, 70670), (1776, 69715), (1910, 64824), (2190, 56536), (2220, 55772), (2292, 54020), (2701, 45840), (2865, 43216), (2920, 42402), (2960, 41829), (3056, 40515), (3504, 35335), (3820, 32412), (4380, 28268), (4440, 27886), (4584, 27010), (5402, 22920), (5730, 21608), (5840, 21201), (7067, 17520), (7640, 16206), (8103, 15280), (8760, 14134), (8880, 13943), (9168, 13505), (10804, 11460)]