721426050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1705

約数の個数: 144

約数和(自身を含む): 2070813888

約数和(自身を除く): 1349387838

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 43, 45, 46, 50, 69, 75, 86, 90, 115, 129, 138, 150, 207, 215, 225, 230, 258, 345, 387, 414, 430, 450, 575, 645, 690, 774, 989, 1035, 1075, 1150, 1290, 1621, 1725, 1935, 1978, 2070, 2150, 2967, 3225, 3242, 3450, 3870, 4863, 4945, 5175, 5934, 6450, 8105, 8901, 9675, 9726, 9890, 10350, 14589, 14835, 16210, 17802, 19350, 24315, 24725, 29178, 29670, 37283, 40525, 44505, 48630, 49450, 69703, 72945, 74175, 74566, 81050, 89010, 111849, 121575, 139406, 145890, 148350, 186415, 209109, 222525, 223698, 243150, 335547, 348515, 364725, 372830, 418218, 445050, 559245, 627327, 671094, 697030, 729450, 932075, 1045545, 1118490, 1254654, 1603169, 1677735, 1742575, 1864150, 2091090, 2796225, 3136635, 3206338, 3355470, 3485150, 4809507, 5227725, 5592450, 6273270, 8015845, 8388675, 9619014, 10455450, 14428521, 15683175, 16031690, 16777350, 24047535, 28857042, 31366350, 40079225, 48095070, 72142605, 80158450, 120237675, 144285210, 240475350, 360713025, 721426050]

約数ペア:

[(1, 721426050), (2, 360713025), (3, 240475350), (5, 144285210), (6, 120237675), (9, 80158450), (10, 72142605), (15, 48095070), (18, 40079225), (23, 31366350), (25, 28857042), (30, 24047535), (43, 16777350), (45, 16031690), (46, 15683175), (50, 14428521), (69, 10455450), (75, 9619014), (86, 8388675), (90, 8015845), (115, 6273270), (129, 5592450), (138, 5227725), (150, 4809507), (207, 3485150), (215, 3355470), (225, 3206338), (230, 3136635), (258, 2796225), (345, 2091090), (387, 1864150), (414, 1742575), (430, 1677735), (450, 1603169), (575, 1254654), (645, 1118490), (690, 1045545), (774, 932075), (989, 729450), (1035, 697030), (1075, 671094), (1150, 627327), (1290, 559245), (1621, 445050), (1725, 418218), (1935, 372830), (1978, 364725), (2070, 348515), (2150, 335547), (2967, 243150), (3225, 223698), (3242, 222525), (3450, 209109), (3870, 186415), (4863, 148350), (4945, 145890), (5175, 139406), (5934, 121575), (6450, 111849), (8105, 89010), (8901, 81050), (9675, 74566), (9726, 74175), (9890, 72945), (10350, 69703), (14589, 49450), (14835, 48630), (16210, 44505), (17802, 40525), (19350, 37283), (24315, 29670), (24725, 29178)]