169887440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1228

約数の個数: 80

約数和(自身を含む): 414782976

約数和(自身を除く): 244895536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1123, 1220, 1240, 1891, 2246, 2440, 2480, 3782, 4492, 4880, 5615, 7564, 8984, 9455, 11230, 15128, 17968, 18910, 22460, 30256, 34813, 37820, 44920, 68503, 69626, 75640, 89840, 137006, 139252, 151280, 174065, 274012, 278504, 342515, 348130, 548024, 557008, 685030, 696260, 1096048, 1370060, 1392520, 2123593, 2740120, 2785040, 4247186, 5480240, 8494372, 10617965, 16988744, 21235930, 33977488, 42471860, 84943720, 169887440]

約数ペア:

[(1, 169887440), (2, 84943720), (4, 42471860), (5, 33977488), (8, 21235930), (10, 16988744), (16, 10617965), (20, 8494372), (31, 5480240), (40, 4247186), (61, 2785040), (62, 2740120), (80, 2123593), (122, 1392520), (124, 1370060), (155, 1096048), (244, 696260), (248, 685030), (305, 557008), (310, 548024), (488, 348130), (496, 342515), (610, 278504), (620, 274012), (976, 174065), (1123, 151280), (1220, 139252), (1240, 137006), (1891, 89840), (2246, 75640), (2440, 69626), (2480, 68503), (3782, 44920), (4492, 37820), (4880, 34813), (5615, 30256), (7564, 22460), (8984, 18910), (9455, 17968), (11230, 15128)]