87407820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 283675392

約数和(自身を除く): 196267572

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, 172, 180, 207, 215, 230, 258, 276, 345, 387, 414, 430, 460, 491, 516, 645, 690, 774, 828, 860, 982, 989, 1035, 1290, 1380, 1473, 1548, 1935, 1964, 1978, 2070, 2455, 2580, 2946, 2967, 3870, 3956, 4140, 4419, 4910, 4945, 5892, 5934, 7365, 7740, 8838, 8901, 9820, 9890, 11293, 11868, 14730, 14835, 17676, 17802, 19780, 21113, 22095, 22586, 29460, 29670, 33879, 35604, 42226, 44190, 44505, 45172, 56465, 59340, 63339, 67758, 84452, 88380, 89010, 101637, 105565, 112930, 126678, 135516, 169395, 178020, 190017, 203274, 211130, 225860, 253356, 316695, 338790, 380034, 406548, 422260, 485599, 508185, 633390, 677580, 760068, 950085, 971198, 1016370, 1266780, 1456797, 1900170, 1942396, 2032740, 2427995, 2913594, 3800340, 4370391, 4855990, 5827188, 7283985, 8740782, 9711980, 14567970, 17481564, 21851955, 29135940, 43703910, 87407820]

約数ペア:

[(1, 87407820), (2, 43703910), (3, 29135940), (4, 21851955), (5, 17481564), (6, 14567970), (9, 9711980), (10, 8740782), (12, 7283985), (15, 5827188), (18, 4855990), (20, 4370391), (23, 3800340), (30, 2913594), (36, 2427995), (43, 2032740), (45, 1942396), (46, 1900170), (60, 1456797), (69, 1266780), (86, 1016370), (90, 971198), (92, 950085), (115, 760068), (129, 677580), (138, 633390), (172, 508185), (180, 485599), (207, 422260), (215, 406548), (230, 380034), (258, 338790), (276, 316695), (345, 253356), (387, 225860), (414, 211130), (430, 203274), (460, 190017), (491, 178020), (516, 169395), (645, 135516), (690, 126678), (774, 112930), (828, 105565), (860, 101637), (982, 89010), (989, 88380), (1035, 84452), (1290, 67758), (1380, 63339), (1473, 59340), (1548, 56465), (1935, 45172), (1964, 44505), (1978, 44190), (2070, 42226), (2455, 35604), (2580, 33879), (2946, 29670), (2967, 29460), (3870, 22586), (3956, 22095), (4140, 21113), (4419, 19780), (4910, 17802), (4945, 17676), (5892, 14835), (5934, 14730), (7365, 11868), (7740, 11293), (8838, 9890), (8901, 9820)]