231239120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 656148480

約数和(自身を除く): 424909360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 103, 112, 133, 140, 152, 190, 206, 211, 266, 280, 304, 380, 412, 422, 515, 532, 560, 665, 721, 760, 824, 844, 1030, 1055, 1064, 1330, 1442, 1477, 1520, 1648, 1688, 1957, 2060, 2110, 2128, 2660, 2884, 2954, 3376, 3605, 3914, 4009, 4120, 4220, 5320, 5768, 5908, 7210, 7385, 7828, 8018, 8240, 8440, 9785, 10640, 11536, 11816, 13699, 14420, 14770, 15656, 16036, 16880, 19570, 20045, 21733, 23632, 27398, 28063, 28840, 29540, 31312, 32072, 39140, 40090, 43466, 54796, 56126, 57680, 59080, 64144, 68495, 78280, 80180, 86932, 108665, 109592, 112252, 118160, 136990, 140315, 152131, 156560, 160360, 173864, 217330, 219184, 224504, 273980, 280630, 304262, 320720, 347728, 412927, 434660, 449008, 547960, 561260, 608524, 760655, 825854, 869320, 1095920, 1122520, 1217048, 1521310, 1651708, 1738640, 2064635, 2245040, 2434096, 2890489, 3042620, 3303416, 4129270, 5780978, 6085240, 6606832, 8258540, 11561956, 12170480, 14452445, 16517080, 23123912, 28904890, 33034160, 46247824, 57809780, 115619560, 231239120]

約数ペア:

[(1, 231239120), (2, 115619560), (4, 57809780), (5, 46247824), (7, 33034160), (8, 28904890), (10, 23123912), (14, 16517080), (16, 14452445), (19, 12170480), (20, 11561956), (28, 8258540), (35, 6606832), (38, 6085240), (40, 5780978), (56, 4129270), (70, 3303416), (76, 3042620), (80, 2890489), (95, 2434096), (103, 2245040), (112, 2064635), (133, 1738640), (140, 1651708), (152, 1521310), (190, 1217048), (206, 1122520), (211, 1095920), (266, 869320), (280, 825854), (304, 760655), (380, 608524), (412, 561260), (422, 547960), (515, 449008), (532, 434660), (560, 412927), (665, 347728), (721, 320720), (760, 304262), (824, 280630), (844, 273980), (1030, 224504), (1055, 219184), (1064, 217330), (1330, 173864), (1442, 160360), (1477, 156560), (1520, 152131), (1648, 140315), (1688, 136990), (1957, 118160), (2060, 112252), (2110, 109592), (2128, 108665), (2660, 86932), (2884, 80180), (2954, 78280), (3376, 68495), (3605, 64144), (3914, 59080), (4009, 57680), (4120, 56126), (4220, 54796), (5320, 43466), (5768, 40090), (5908, 39140), (7210, 32072), (7385, 31312), (7828, 29540), (8018, 28840), (8240, 28063), (8440, 27398), (9785, 23632), (10640, 21733), (11536, 20045), (11816, 19570), (13699, 16880), (14420, 16036), (14770, 15656)]