81542760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 265870080

約数和(自身を除く): 184327320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 167, 195, 260, 312, 313, 334, 390, 501, 520, 626, 668, 780, 835, 939, 1002, 1252, 1336, 1560, 1565, 1670, 1878, 2004, 2171, 2504, 2505, 3130, 3340, 3756, 4008, 4069, 4342, 4695, 5010, 6260, 6513, 6680, 7512, 8138, 8684, 9390, 10020, 10855, 12207, 12520, 13026, 16276, 17368, 18780, 20040, 20345, 21710, 24414, 26052, 32552, 32565, 37560, 40690, 43420, 48828, 52104, 52271, 61035, 65130, 81380, 86840, 97656, 104542, 122070, 130260, 156813, 162760, 209084, 244140, 260520, 261355, 313626, 418168, 488280, 522710, 627252, 679523, 784065, 1045420, 1254504, 1359046, 1568130, 2038569, 2090840, 2718092, 3136260, 3397615, 4077138, 5436184, 6272520, 6795230, 8154276, 10192845, 13590460, 16308552, 20385690, 27180920, 40771380, 81542760]

約数ペア:

[(1, 81542760), (2, 40771380), (3, 27180920), (4, 20385690), (5, 16308552), (6, 13590460), (8, 10192845), (10, 8154276), (12, 6795230), (13, 6272520), (15, 5436184), (20, 4077138), (24, 3397615), (26, 3136260), (30, 2718092), (39, 2090840), (40, 2038569), (52, 1568130), (60, 1359046), (65, 1254504), (78, 1045420), (104, 784065), (120, 679523), (130, 627252), (156, 522710), (167, 488280), (195, 418168), (260, 313626), (312, 261355), (313, 260520), (334, 244140), (390, 209084), (501, 162760), (520, 156813), (626, 130260), (668, 122070), (780, 104542), (835, 97656), (939, 86840), (1002, 81380), (1252, 65130), (1336, 61035), (1560, 52271), (1565, 52104), (1670, 48828), (1878, 43420), (2004, 40690), (2171, 37560), (2504, 32565), (2505, 32552), (3130, 26052), (3340, 24414), (3756, 21710), (4008, 20345), (4069, 20040), (4342, 18780), (4695, 17368), (5010, 16276), (6260, 13026), (6513, 12520), (6680, 12207), (7512, 10855), (8138, 10020), (8684, 9390)]