72000240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:567

約数の個数: 160

約数和(自身を含む): 245984256

約数和(自身を除く): 173984016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 104, 120, 130, 141, 156, 188, 195, 208, 235, 240, 260, 282, 312, 376, 390, 470, 491, 520, 564, 611, 624, 705, 752, 780, 940, 982, 1040, 1128, 1222, 1410, 1473, 1560, 1833, 1880, 1964, 2256, 2444, 2455, 2820, 2946, 3055, 3120, 3666, 3760, 3928, 4888, 4910, 5640, 5892, 6110, 6383, 7332, 7365, 7856, 9165, 9776, 9820, 11280, 11784, 12220, 12766, 14664, 14730, 18330, 19149, 19640, 23077, 23568, 24440, 25532, 29328, 29460, 31915, 36660, 38298, 39280, 46154, 48880, 51064, 58920, 63830, 69231, 73320, 76596, 92308, 95745, 102128, 115385, 117840, 127660, 138462, 146640, 153192, 184616, 191490, 230770, 255320, 276924, 300001, 306384, 346155, 369232, 382980, 461540, 510640, 553848, 600002, 692310, 765960, 900003, 923080, 1107696, 1200004, 1384620, 1500005, 1531920, 1800006, 1846160, 2400008, 2769240, 3000010, 3600012, 4500015, 4800016, 5538480, 6000020, 7200024, 9000030, 12000040, 14400048, 18000060, 24000080, 36000120, 72000240]

約数ペア:

[(1, 72000240), (2, 36000120), (3, 24000080), (4, 18000060), (5, 14400048), (6, 12000040), (8, 9000030), (10, 7200024), (12, 6000020), (13, 5538480), (15, 4800016), (16, 4500015), (20, 3600012), (24, 3000010), (26, 2769240), (30, 2400008), (39, 1846160), (40, 1800006), (47, 1531920), (48, 1500005), (52, 1384620), (60, 1200004), (65, 1107696), (78, 923080), (80, 900003), (94, 765960), (104, 692310), (120, 600002), (130, 553848), (141, 510640), (156, 461540), (188, 382980), (195, 369232), (208, 346155), (235, 306384), (240, 300001), (260, 276924), (282, 255320), (312, 230770), (376, 191490), (390, 184616), (470, 153192), (491, 146640), (520, 138462), (564, 127660), (611, 117840), (624, 115385), (705, 102128), (752, 95745), (780, 92308), (940, 76596), (982, 73320), (1040, 69231), (1128, 63830), (1222, 58920), (1410, 51064), (1473, 48880), (1560, 46154), (1833, 39280), (1880, 38298), (1964, 36660), (2256, 31915), (2444, 29460), (2455, 29328), (2820, 25532), (2946, 24440), (3055, 23568), (3120, 23077), (3666, 19640), (3760, 19149), (3928, 18330), (4888, 14730), (4910, 14664), (5640, 12766), (5892, 12220), (6110, 11784), (6383, 11280), (7332, 9820), (7365, 9776), (7856, 9165)]