661553160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 2028257280

約数和(自身を除く): 1366704120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 127, 166, 249, 254, 332, 381, 415, 498, 508, 523, 635, 664, 762, 830, 996, 1016, 1046, 1245, 1270, 1524, 1569, 1660, 1905, 1992, 2092, 2490, 2540, 2615, 3048, 3138, 3320, 3810, 4184, 4980, 5080, 5230, 6276, 7620, 7845, 9960, 10460, 10541, 12552, 15240, 15690, 20920, 21082, 31380, 31623, 42164, 43409, 52705, 62760, 63246, 66421, 84328, 86818, 105410, 126492, 130227, 132842, 158115, 173636, 199263, 210820, 217045, 252984, 260454, 265684, 316230, 332105, 347272, 398526, 421640, 434090, 520908, 531368, 632460, 651135, 664210, 797052, 868180, 996315, 1041816, 1264920, 1302270, 1328420, 1594104, 1736360, 1992630, 2604540, 2656840, 3985260, 5209080, 5512943, 7970520, 11025886, 16538829, 22051772, 27564715, 33077658, 44103544, 55129430, 66155316, 82694145, 110258860, 132310632, 165388290, 220517720, 330776580, 661553160]

約数ペア:

[(1, 661553160), (2, 330776580), (3, 220517720), (4, 165388290), (5, 132310632), (6, 110258860), (8, 82694145), (10, 66155316), (12, 55129430), (15, 44103544), (20, 33077658), (24, 27564715), (30, 22051772), (40, 16538829), (60, 11025886), (83, 7970520), (120, 5512943), (127, 5209080), (166, 3985260), (249, 2656840), (254, 2604540), (332, 1992630), (381, 1736360), (415, 1594104), (498, 1328420), (508, 1302270), (523, 1264920), (635, 1041816), (664, 996315), (762, 868180), (830, 797052), (996, 664210), (1016, 651135), (1046, 632460), (1245, 531368), (1270, 520908), (1524, 434090), (1569, 421640), (1660, 398526), (1905, 347272), (1992, 332105), (2092, 316230), (2490, 265684), (2540, 260454), (2615, 252984), (3048, 217045), (3138, 210820), (3320, 199263), (3810, 173636), (4184, 158115), (4980, 132842), (5080, 130227), (5230, 126492), (6276, 105410), (7620, 86818), (7845, 84328), (9960, 66421), (10460, 63246), (10541, 62760), (12552, 52705), (15240, 43409), (15690, 42164), (20920, 31623), (21082, 31380)]