30826920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 97511040

約数和(自身を除く): 66684120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 53, 60, 74, 106, 111, 120, 131, 148, 159, 185, 212, 222, 262, 265, 296, 318, 370, 393, 424, 444, 524, 530, 555, 636, 655, 740, 786, 795, 888, 1048, 1060, 1110, 1272, 1310, 1480, 1572, 1590, 1961, 1965, 2120, 2220, 2620, 3144, 3180, 3922, 3930, 4440, 4847, 5240, 5883, 6360, 6943, 7844, 7860, 9694, 9805, 11766, 13886, 14541, 15688, 15720, 19388, 19610, 20829, 23532, 24235, 27772, 29082, 29415, 34715, 38776, 39220, 41658, 47064, 48470, 55544, 58164, 58830, 69430, 72705, 78440, 83316, 96940, 104145, 116328, 117660, 138860, 145410, 166632, 193880, 208290, 235320, 256891, 277720, 290820, 416580, 513782, 581640, 770673, 833160, 1027564, 1284455, 1541346, 2055128, 2568910, 3082692, 3853365, 5137820, 6165384, 7706730, 10275640, 15413460, 30826920]

約数ペア:

[(1, 30826920), (2, 15413460), (3, 10275640), (4, 7706730), (5, 6165384), (6, 5137820), (8, 3853365), (10, 3082692), (12, 2568910), (15, 2055128), (20, 1541346), (24, 1284455), (30, 1027564), (37, 833160), (40, 770673), (53, 581640), (60, 513782), (74, 416580), (106, 290820), (111, 277720), (120, 256891), (131, 235320), (148, 208290), (159, 193880), (185, 166632), (212, 145410), (222, 138860), (262, 117660), (265, 116328), (296, 104145), (318, 96940), (370, 83316), (393, 78440), (424, 72705), (444, 69430), (524, 58830), (530, 58164), (555, 55544), (636, 48470), (655, 47064), (740, 41658), (786, 39220), (795, 38776), (888, 34715), (1048, 29415), (1060, 29082), (1110, 27772), (1272, 24235), (1310, 23532), (1480, 20829), (1572, 19610), (1590, 19388), (1961, 15720), (1965, 15688), (2120, 14541), (2220, 13886), (2620, 11766), (3144, 9805), (3180, 9694), (3922, 7860), (3930, 7844), (4440, 6943), (4847, 6360), (5240, 5883)]