15870140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 40642560

約数和(自身を除く): 24772420

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 179, 220, 260, 286, 310, 341, 358, 403, 572, 620, 682, 715, 716, 806, 895, 1364, 1430, 1612, 1705, 1790, 1969, 2015, 2327, 2860, 3410, 3580, 3938, 4030, 4433, 4654, 5549, 6820, 7876, 8060, 8866, 9308, 9845, 11098, 11635, 17732, 19690, 22165, 22196, 23270, 25597, 27745, 39380, 44330, 46540, 51194, 55490, 61039, 72137, 88660, 102388, 110980, 122078, 127985, 144274, 244156, 255970, 288548, 305195, 360685, 511940, 610390, 721370, 793507, 1220780, 1442740, 1587014, 3174028, 3967535, 7935070, 15870140]

約数ペア:

[(1, 15870140), (2, 7935070), (4, 3967535), (5, 3174028), (10, 1587014), (11, 1442740), (13, 1220780), (20, 793507), (22, 721370), (26, 610390), (31, 511940), (44, 360685), (52, 305195), (55, 288548), (62, 255970), (65, 244156), (110, 144274), (124, 127985), (130, 122078), (143, 110980), (155, 102388), (179, 88660), (220, 72137), (260, 61039), (286, 55490), (310, 51194), (341, 46540), (358, 44330), (403, 39380), (572, 27745), (620, 25597), (682, 23270), (715, 22196), (716, 22165), (806, 19690), (895, 17732), (1364, 11635), (1430, 11098), (1612, 9845), (1705, 9308), (1790, 8866), (1969, 8060), (2015, 7876), (2327, 6820), (2860, 5549), (3410, 4654), (3580, 4433), (3938, 4030)]