128789440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 335145888

約数和(自身を除く): 206356448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 130, 160, 166, 208, 260, 320, 332, 373, 415, 416, 520, 664, 746, 830, 832, 1040, 1079, 1328, 1492, 1660, 1865, 2080, 2158, 2656, 2984, 3320, 3730, 4160, 4316, 4849, 5312, 5395, 5968, 6640, 7460, 8632, 9698, 10790, 11936, 13280, 14920, 17264, 19396, 21580, 23872, 24245, 26560, 29840, 30959, 34528, 38792, 43160, 48490, 59680, 61918, 69056, 77584, 86320, 96980, 119360, 123836, 154795, 155168, 172640, 193960, 247672, 309590, 310336, 345280, 387920, 402467, 495344, 619180, 775840, 804934, 990688, 1238360, 1551680, 1609868, 1981376, 2012335, 2476720, 3219736, 4024670, 4953440, 6439472, 8049340, 9906880, 12878944, 16098680, 25757888, 32197360, 64394720, 128789440]

約数ペア:

[(1, 128789440), (2, 64394720), (4, 32197360), (5, 25757888), (8, 16098680), (10, 12878944), (13, 9906880), (16, 8049340), (20, 6439472), (26, 4953440), (32, 4024670), (40, 3219736), (52, 2476720), (64, 2012335), (65, 1981376), (80, 1609868), (83, 1551680), (104, 1238360), (130, 990688), (160, 804934), (166, 775840), (208, 619180), (260, 495344), (320, 402467), (332, 387920), (373, 345280), (415, 310336), (416, 309590), (520, 247672), (664, 193960), (746, 172640), (830, 155168), (832, 154795), (1040, 123836), (1079, 119360), (1328, 96980), (1492, 86320), (1660, 77584), (1865, 69056), (2080, 61918), (2158, 59680), (2656, 48490), (2984, 43160), (3320, 38792), (3730, 34528), (4160, 30959), (4316, 29840), (4849, 26560), (5312, 24245), (5395, 23872), (5968, 21580), (6640, 19396), (7460, 17264), (8632, 14920), (9698, 13280), (10790, 11936)]