72955400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 205105920

約数和(自身を除く): 132150520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 41, 50, 56, 62, 70, 82, 100, 124, 140, 155, 164, 175, 200, 205, 217, 248, 280, 287, 310, 328, 350, 410, 434, 574, 620, 700, 775, 820, 868, 1025, 1085, 1148, 1240, 1271, 1400, 1435, 1550, 1640, 1681, 1736, 2050, 2170, 2296, 2542, 2870, 3100, 3362, 4100, 4340, 5084, 5425, 5740, 6200, 6355, 6724, 7175, 8200, 8405, 8680, 8897, 10168, 10850, 11480, 11767, 12710, 13448, 14350, 16810, 17794, 21700, 23534, 25420, 28700, 31775, 33620, 35588, 42025, 43400, 44485, 47068, 50840, 52111, 57400, 58835, 63550, 67240, 71176, 84050, 88970, 94136, 104222, 117670, 127100, 168100, 177940, 208444, 222425, 235340, 254200, 260555, 294175, 336200, 355880, 364777, 416888, 444850, 470680, 521110, 588350, 729554, 889700, 1042220, 1176700, 1302775, 1459108, 1779400, 1823885, 2084440, 2353400, 2605550, 2918216, 3647770, 5211100, 7295540, 9119425, 10422200, 14591080, 18238850, 36477700, 72955400]

約数ペア:

[(1, 72955400), (2, 36477700), (4, 18238850), (5, 14591080), (7, 10422200), (8, 9119425), (10, 7295540), (14, 5211100), (20, 3647770), (25, 2918216), (28, 2605550), (31, 2353400), (35, 2084440), (40, 1823885), (41, 1779400), (50, 1459108), (56, 1302775), (62, 1176700), (70, 1042220), (82, 889700), (100, 729554), (124, 588350), (140, 521110), (155, 470680), (164, 444850), (175, 416888), (200, 364777), (205, 355880), (217, 336200), (248, 294175), (280, 260555), (287, 254200), (310, 235340), (328, 222425), (350, 208444), (410, 177940), (434, 168100), (574, 127100), (620, 117670), (700, 104222), (775, 94136), (820, 88970), (868, 84050), (1025, 71176), (1085, 67240), (1148, 63550), (1240, 58835), (1271, 57400), (1400, 52111), (1435, 50840), (1550, 47068), (1640, 44485), (1681, 43400), (1736, 42025), (2050, 35588), (2170, 33620), (2296, 31775), (2542, 28700), (2870, 25420), (3100, 23534), (3362, 21700), (4100, 17794), (4340, 16810), (5084, 14350), (5425, 13448), (5740, 12710), (6200, 11767), (6355, 11480), (6724, 10850), (7175, 10168), (8200, 8897), (8405, 8680)]