215787180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3908

約数の個数: 144

約数和(自身を含む): 740033280

約数和(自身を除く): 524246100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3863, 3990, 4655, 5586, 7726, 7980, 9310, 11172, 11589, 13965, 15452, 18620, 19315, 23178, 27041, 27930, 38630, 46356, 54082, 55860, 57945, 73397, 77260, 81123, 108164, 115890, 135205, 146794, 162246, 189287, 220191, 231780, 270410, 293588, 324492, 366985, 378574, 405615, 440382, 513779, 540820, 567861, 733970, 757148, 811230, 880764, 946435, 1027558, 1100955, 1135722, 1467940, 1541337, 1622460, 1892870, 2055116, 2201910, 2271444, 2568895, 2839305, 3082674, 3596453, 3785740, 4403820, 5137790, 5678610, 6165348, 7192906, 7706685, 10275580, 10789359, 11357220, 14385812, 15413370, 17982265, 21578718, 30826740, 35964530, 43157436, 53946795, 71929060, 107893590, 215787180]

約数ペア:

[(1, 215787180), (2, 107893590), (3, 71929060), (4, 53946795), (5, 43157436), (6, 35964530), (7, 30826740), (10, 21578718), (12, 17982265), (14, 15413370), (15, 14385812), (19, 11357220), (20, 10789359), (21, 10275580), (28, 7706685), (30, 7192906), (35, 6165348), (38, 5678610), (42, 5137790), (49, 4403820), (57, 3785740), (60, 3596453), (70, 3082674), (76, 2839305), (84, 2568895), (95, 2271444), (98, 2201910), (105, 2055116), (114, 1892870), (133, 1622460), (140, 1541337), (147, 1467940), (190, 1135722), (196, 1100955), (210, 1027558), (228, 946435), (245, 880764), (266, 811230), (285, 757148), (294, 733970), (380, 567861), (399, 540820), (420, 513779), (490, 440382), (532, 405615), (570, 378574), (588, 366985), (665, 324492), (735, 293588), (798, 270410), (931, 231780), (980, 220191), (1140, 189287), (1330, 162246), (1470, 146794), (1596, 135205), (1862, 115890), (1995, 108164), (2660, 81123), (2793, 77260), (2940, 73397), (3724, 57945), (3863, 55860), (3990, 54082), (4655, 46356), (5586, 38630), (7726, 27930), (7980, 27041), (9310, 23178), (11172, 19315), (11589, 18620), (13965, 15452)]