15912120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1037

約数の個数: 128

約数和(自身を含む): 57484800

約数和(自身を除く): 41572680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 997, 1064, 1140, 1330, 1596, 1994, 1995, 2280, 2660, 2991, 3192, 3988, 3990, 4985, 5320, 5982, 6979, 7976, 7980, 9970, 11964, 13958, 14955, 15960, 18943, 19940, 20937, 23928, 27916, 29910, 34895, 37886, 39880, 41874, 55832, 56829, 59820, 69790, 75772, 83748, 94715, 104685, 113658, 119640, 132601, 139580, 151544, 167496, 189430, 209370, 227316, 265202, 279160, 284145, 378860, 397803, 418740, 454632, 530404, 568290, 663005, 757720, 795606, 837480, 1060808, 1136580, 1326010, 1591212, 1989015, 2273160, 2652020, 3182424, 3978030, 5304040, 7956060, 15912120]

約数ペア:

[(1, 15912120), (2, 7956060), (3, 5304040), (4, 3978030), (5, 3182424), (6, 2652020), (7, 2273160), (8, 1989015), (10, 1591212), (12, 1326010), (14, 1136580), (15, 1060808), (19, 837480), (20, 795606), (21, 757720), (24, 663005), (28, 568290), (30, 530404), (35, 454632), (38, 418740), (40, 397803), (42, 378860), (56, 284145), (57, 279160), (60, 265202), (70, 227316), (76, 209370), (84, 189430), (95, 167496), (105, 151544), (114, 139580), (120, 132601), (133, 119640), (140, 113658), (152, 104685), (168, 94715), (190, 83748), (210, 75772), (228, 69790), (266, 59820), (280, 56829), (285, 55832), (380, 41874), (399, 39880), (420, 37886), (456, 34895), (532, 29910), (570, 27916), (665, 23928), (760, 20937), (798, 19940), (840, 18943), (997, 15960), (1064, 14955), (1140, 13958), (1330, 11964), (1596, 9970), (1994, 7980), (1995, 7976), (2280, 6979), (2660, 5982), (2991, 5320), (3192, 4985), (3988, 3990)]