30118140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 100472736

約数和(自身を除く): 70354596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 211, 234, 244, 260, 305, 366, 390, 422, 468, 549, 585, 610, 633, 732, 780, 793, 844, 915, 1055, 1098, 1170, 1220, 1266, 1586, 1830, 1899, 2110, 2196, 2340, 2379, 2532, 2743, 2745, 3165, 3172, 3660, 3798, 3965, 4220, 4758, 5486, 5490, 6330, 7137, 7596, 7930, 8229, 9495, 9516, 10972, 10980, 11895, 12660, 12871, 13715, 14274, 15860, 16458, 18990, 23790, 24687, 25742, 27430, 28548, 32916, 35685, 37980, 38613, 41145, 47580, 49374, 51484, 54860, 64355, 71370, 77226, 82290, 98748, 115839, 123435, 128710, 142740, 154452, 164580, 167323, 193065, 231678, 246870, 257420, 334646, 386130, 463356, 493740, 501969, 579195, 669292, 772260, 836615, 1003938, 1158390, 1505907, 1673230, 2007876, 2316780, 2509845, 3011814, 3346460, 5019690, 6023628, 7529535, 10039380, 15059070, 30118140]

約数ペア:

[(1, 30118140), (2, 15059070), (3, 10039380), (4, 7529535), (5, 6023628), (6, 5019690), (9, 3346460), (10, 3011814), (12, 2509845), (13, 2316780), (15, 2007876), (18, 1673230), (20, 1505907), (26, 1158390), (30, 1003938), (36, 836615), (39, 772260), (45, 669292), (52, 579195), (60, 501969), (61, 493740), (65, 463356), (78, 386130), (90, 334646), (117, 257420), (122, 246870), (130, 231678), (156, 193065), (180, 167323), (183, 164580), (195, 154452), (211, 142740), (234, 128710), (244, 123435), (260, 115839), (305, 98748), (366, 82290), (390, 77226), (422, 71370), (468, 64355), (549, 54860), (585, 51484), (610, 49374), (633, 47580), (732, 41145), (780, 38613), (793, 37980), (844, 35685), (915, 32916), (1055, 28548), (1098, 27430), (1170, 25742), (1220, 24687), (1266, 23790), (1586, 18990), (1830, 16458), (1899, 15860), (2110, 14274), (2196, 13715), (2340, 12871), (2379, 12660), (2532, 11895), (2743, 10980), (2745, 10972), (3165, 9516), (3172, 9495), (3660, 8229), (3798, 7930), (3965, 7596), (4220, 7137), (4758, 6330), (5486, 5490)]