77001520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 188202240

約数和(自身を除く): 111200720

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, 509, 610, 620, 976, 1018, 1220, 1240, 1891, 2036, 2440, 2480, 2545, 3782, 4072, 4880, 5090, 7564, 8144, 9455, 10180, 15128, 15779, 18910, 20360, 30256, 31049, 31558, 37820, 40720, 62098, 63116, 75640, 78895, 124196, 126232, 151280, 155245, 157790, 248392, 252464, 310490, 315580, 496784, 620980, 631160, 962519, 1241960, 1262320, 1925038, 2483920, 3850076, 4812595, 7700152, 9625190, 15400304, 19250380, 38500760, 77001520]

約数ペア:

[(1, 77001520), (2, 38500760), (4, 19250380), (5, 15400304), (8, 9625190), (10, 7700152), (16, 4812595), (20, 3850076), (31, 2483920), (40, 1925038), (61, 1262320), (62, 1241960), (80, 962519), (122, 631160), (124, 620980), (155, 496784), (244, 315580), (248, 310490), (305, 252464), (310, 248392), (488, 157790), (496, 155245), (509, 151280), (610, 126232), (620, 124196), (976, 78895), (1018, 75640), (1220, 63116), (1240, 62098), (1891, 40720), (2036, 37820), (2440, 31558), (2480, 31049), (2545, 30256), (3782, 20360), (4072, 18910), (4880, 15779), (5090, 15128), (7564, 10180), (8144, 9455)]