27949140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 91099008

約数和(自身を除く): 63149868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 157, 172, 180, 207, 215, 230, 258, 276, 314, 345, 387, 414, 430, 460, 471, 516, 628, 645, 690, 774, 785, 828, 860, 942, 989, 1035, 1290, 1380, 1413, 1548, 1570, 1884, 1935, 1978, 2070, 2355, 2580, 2826, 2967, 3140, 3611, 3870, 3956, 4140, 4710, 4945, 5652, 5934, 6751, 7065, 7222, 7740, 8901, 9420, 9890, 10833, 11868, 13502, 14130, 14444, 14835, 17802, 18055, 19780, 20253, 21666, 27004, 28260, 29670, 32499, 33755, 35604, 36110, 40506, 43332, 44505, 54165, 59340, 60759, 64998, 67510, 72220, 81012, 89010, 101265, 108330, 121518, 129996, 135020, 155273, 162495, 178020, 202530, 216660, 243036, 303795, 310546, 324990, 405060, 465819, 607590, 621092, 649980, 776365, 931638, 1215180, 1397457, 1552730, 1863276, 2329095, 2794914, 3105460, 4658190, 5589828, 6987285, 9316380, 13974570, 27949140]

約数ペア:

[(1, 27949140), (2, 13974570), (3, 9316380), (4, 6987285), (5, 5589828), (6, 4658190), (9, 3105460), (10, 2794914), (12, 2329095), (15, 1863276), (18, 1552730), (20, 1397457), (23, 1215180), (30, 931638), (36, 776365), (43, 649980), (45, 621092), (46, 607590), (60, 465819), (69, 405060), (86, 324990), (90, 310546), (92, 303795), (115, 243036), (129, 216660), (138, 202530), (157, 178020), (172, 162495), (180, 155273), (207, 135020), (215, 129996), (230, 121518), (258, 108330), (276, 101265), (314, 89010), (345, 81012), (387, 72220), (414, 67510), (430, 64998), (460, 60759), (471, 59340), (516, 54165), (628, 44505), (645, 43332), (690, 40506), (774, 36110), (785, 35604), (828, 33755), (860, 32499), (942, 29670), (989, 28260), (1035, 27004), (1290, 21666), (1380, 20253), (1413, 19780), (1548, 18055), (1570, 17802), (1884, 14835), (1935, 14444), (1978, 14130), (2070, 13502), (2355, 11868), (2580, 10833), (2826, 9890), (2967, 9420), (3140, 8901), (3611, 7740), (3870, 7222), (3956, 7065), (4140, 6751), (4710, 5934), (4945, 5652)]