15704981920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{51907}}^1$

素因数の和:52014

約数の個数: 96

約数和(自身を含む): 38928508416

約数和(自身を除く): 23223526496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 244, 248, 305, 310, 488, 496, 610, 620, 976, 992, 1220, 1240, 1891, 1952, 2440, 2480, 3782, 4880, 4960, 7564, 9455, 9760, 15128, 18910, 30256, 37820, 51907, 60512, 75640, 103814, 151280, 207628, 259535, 302560, 415256, 519070, 830512, 1038140, 1609117, 1661024, 2076280, 3166327, 3218234, 4152560, 6332654, 6436468, 8045585, 8305120, 12665308, 12872936, 15831635, 16091170, 25330616, 25745872, 31663270, 32182340, 50661232, 51491744, 63326540, 64364680, 98156137, 101322464, 126653080, 128729360, 196312274, 253306160, 257458720, 392624548, 490780685, 506612320, 785249096, 981561370, 1570498192, 1963122740, 3140996384, 3926245480, 7852490960, 15704981920]

約数ペア:

[(1, 15704981920), (2, 7852490960), (4, 3926245480), (5, 3140996384), (8, 1963122740), (10, 1570498192), (16, 981561370), (20, 785249096), (31, 506612320), (32, 490780685), (40, 392624548), (61, 257458720), (62, 253306160), (80, 196312274), (122, 128729360), (124, 126653080), (155, 101322464), (160, 98156137), (244, 64364680), (248, 63326540), (305, 51491744), (310, 50661232), (488, 32182340), (496, 31663270), (610, 25745872), (620, 25330616), (976, 16091170), (992, 15831635), (1220, 12872936), (1240, 12665308), (1891, 8305120), (1952, 8045585), (2440, 6436468), (2480, 6332654), (3782, 4152560), (4880, 3218234), (4960, 3166327), (7564, 2076280), (9455, 1661024), (9760, 1609117), (15128, 1038140), (18910, 830512), (30256, 519070), (37820, 415256), (51907, 302560), (60512, 259535), (75640, 207628), (103814, 151280)]