15439970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 36868608

約数和(自身を除く): 21428638

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 47, 65, 70, 91, 94, 95, 130, 133, 182, 190, 235, 247, 266, 329, 361, 455, 470, 494, 611, 658, 665, 722, 893, 910, 1222, 1235, 1330, 1645, 1729, 1786, 1805, 2470, 2527, 3055, 3290, 3458, 3610, 4277, 4465, 4693, 5054, 6110, 6251, 8554, 8645, 8930, 9386, 11609, 12502, 12635, 16967, 17290, 21385, 23218, 23465, 25270, 31255, 32851, 33934, 42770, 46930, 58045, 62510, 65702, 81263, 84835, 116090, 118769, 162526, 164255, 169670, 220571, 237538, 328510, 406315, 441142, 593845, 812630, 1102855, 1187690, 1543997, 2205710, 3087994, 7719985, 15439970]

約数ペア:

[(1, 15439970), (2, 7719985), (5, 3087994), (7, 2205710), (10, 1543997), (13, 1187690), (14, 1102855), (19, 812630), (26, 593845), (35, 441142), (38, 406315), (47, 328510), (65, 237538), (70, 220571), (91, 169670), (94, 164255), (95, 162526), (130, 118769), (133, 116090), (182, 84835), (190, 81263), (235, 65702), (247, 62510), (266, 58045), (329, 46930), (361, 42770), (455, 33934), (470, 32851), (494, 31255), (611, 25270), (658, 23465), (665, 23218), (722, 21385), (893, 17290), (910, 16967), (1222, 12635), (1235, 12502), (1330, 11609), (1645, 9386), (1729, 8930), (1786, 8645), (1805, 8554), (2470, 6251), (2527, 6110), (3055, 5054), (3290, 4693), (3458, 4465), (3610, 4277)]