156020920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5813}}^1$

素因数の和:5896

約数の個数: 64

約数和(自身を含む): 389305440

約数和(自身を除く): 233284520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 5813, 6710, 11626, 13420, 23252, 26840, 29065, 46504, 58130, 63943, 116260, 127886, 232520, 255772, 319715, 354593, 511544, 639430, 709186, 1278860, 1418372, 1772965, 2557720, 2836744, 3545930, 3900523, 7091860, 7801046, 14183720, 15602092, 19502615, 31204184, 39005230, 78010460, 156020920]

約数ペア:

[(1, 156020920), (2, 78010460), (4, 39005230), (5, 31204184), (8, 19502615), (10, 15602092), (11, 14183720), (20, 7801046), (22, 7091860), (40, 3900523), (44, 3545930), (55, 2836744), (61, 2557720), (88, 1772965), (110, 1418372), (122, 1278860), (220, 709186), (244, 639430), (305, 511544), (440, 354593), (488, 319715), (610, 255772), (671, 232520), (1220, 127886), (1342, 116260), (2440, 63943), (2684, 58130), (3355, 46504), (5368, 29065), (5813, 26840), (6710, 23252), (11626, 13420)]