281639280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4751}}^1$

素因数の和:4799

約数の個数: 160

約数和(自身を含む): 989936640

約数和(自身を除く): 708297360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3705, 3952, 4560, 4751, 4940, 5928, 7410, 9502, 9880, 11856, 14253, 14820, 19004, 19760, 23755, 28506, 29640, 38008, 47510, 57012, 59280, 61763, 71265, 76016, 90269, 95020, 114024, 123526, 142530, 180538, 185289, 190040, 228048, 247052, 270807, 285060, 308815, 361076, 370578, 380080, 451345, 494104, 541614, 570120, 617630, 722152, 741156, 902690, 926445, 988208, 1083228, 1140240, 1173497, 1235260, 1354035, 1444304, 1482312, 1805380, 1852890, 2166456, 2346994, 2470520, 2708070, 2964624, 3520491, 3610760, 3705780, 4332912, 4693988, 4941040, 5416140, 5867485, 7040982, 7221520, 7411560, 9387976, 10832280, 11734970, 14081964, 14823120, 17602455, 18775952, 21664560, 23469940, 28163928, 35204910, 46939880, 56327856, 70409820, 93879760, 140819640, 281639280]

約数ペア:

[(1, 281639280), (2, 140819640), (3, 93879760), (4, 70409820), (5, 56327856), (6, 46939880), (8, 35204910), (10, 28163928), (12, 23469940), (13, 21664560), (15, 18775952), (16, 17602455), (19, 14823120), (20, 14081964), (24, 11734970), (26, 10832280), (30, 9387976), (38, 7411560), (39, 7221520), (40, 7040982), (48, 5867485), (52, 5416140), (57, 4941040), (60, 4693988), (65, 4332912), (76, 3705780), (78, 3610760), (80, 3520491), (95, 2964624), (104, 2708070), (114, 2470520), (120, 2346994), (130, 2166456), (152, 1852890), (156, 1805380), (190, 1482312), (195, 1444304), (208, 1354035), (228, 1235260), (240, 1173497), (247, 1140240), (260, 1083228), (285, 988208), (304, 926445), (312, 902690), (380, 741156), (390, 722152), (456, 617630), (494, 570120), (520, 541614), (570, 494104), (624, 451345), (741, 380080), (760, 370578), (780, 361076), (912, 308815), (988, 285060), (1040, 270807), (1140, 247052), (1235, 228048), (1482, 190040), (1520, 185289), (1560, 180538), (1976, 142530), (2280, 123526), (2470, 114024), (2964, 95020), (3120, 90269), (3705, 76016), (3952, 71265), (4560, 61763), (4751, 59280), (4940, 57012), (5928, 47510), (7410, 38008), (9502, 29640), (9880, 28506), (11856, 23755), (14253, 19760), (14820, 19004)]