74125980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 235339104

約数和(自身を除く): 161213124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 157, 172, 180, 183, 215, 244, 258, 305, 314, 366, 387, 430, 471, 516, 549, 610, 628, 645, 732, 774, 785, 860, 915, 942, 1098, 1220, 1290, 1413, 1548, 1570, 1830, 1884, 1935, 2196, 2355, 2580, 2623, 2745, 2826, 3140, 3660, 3870, 4710, 5246, 5490, 5652, 6751, 7065, 7740, 7869, 9420, 9577, 10492, 10980, 13115, 13502, 14130, 15738, 19154, 20253, 23607, 26230, 27004, 28260, 28731, 31476, 33755, 38308, 39345, 40506, 47214, 47885, 52460, 57462, 60759, 67510, 78690, 81012, 86193, 94428, 95770, 101265, 114924, 118035, 121518, 135020, 143655, 157380, 172386, 191540, 202530, 236070, 243036, 287310, 303795, 344772, 405060, 411811, 430965, 472140, 574620, 607590, 823622, 861930, 1215180, 1235433, 1647244, 1723860, 2059055, 2470866, 3706299, 4118110, 4941732, 6177165, 7412598, 8236220, 12354330, 14825196, 18531495, 24708660, 37062990, 74125980]

約数ペア:

[(1, 74125980), (2, 37062990), (3, 24708660), (4, 18531495), (5, 14825196), (6, 12354330), (9, 8236220), (10, 7412598), (12, 6177165), (15, 4941732), (18, 4118110), (20, 3706299), (30, 2470866), (36, 2059055), (43, 1723860), (45, 1647244), (60, 1235433), (61, 1215180), (86, 861930), (90, 823622), (122, 607590), (129, 574620), (157, 472140), (172, 430965), (180, 411811), (183, 405060), (215, 344772), (244, 303795), (258, 287310), (305, 243036), (314, 236070), (366, 202530), (387, 191540), (430, 172386), (471, 157380), (516, 143655), (549, 135020), (610, 121518), (628, 118035), (645, 114924), (732, 101265), (774, 95770), (785, 94428), (860, 86193), (915, 81012), (942, 78690), (1098, 67510), (1220, 60759), (1290, 57462), (1413, 52460), (1548, 47885), (1570, 47214), (1830, 40506), (1884, 39345), (1935, 38308), (2196, 33755), (2355, 31476), (2580, 28731), (2623, 28260), (2745, 27004), (2826, 26230), (3140, 23607), (3660, 20253), (3870, 19154), (4710, 15738), (5246, 14130), (5490, 13502), (5652, 13115), (6751, 10980), (7065, 10492), (7740, 9577), (7869, 9420)]