128421468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1032

約数の個数: 144

約数和(自身を含む): 405909504

約数和(自身を除く): 277488036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 31, 34, 36, 42, 51, 62, 63, 68, 84, 93, 102, 119, 124, 126, 153, 186, 204, 217, 238, 252, 279, 306, 357, 372, 434, 476, 527, 558, 612, 651, 714, 868, 967, 1054, 1071, 1116, 1302, 1428, 1581, 1934, 1953, 2108, 2142, 2604, 2901, 3162, 3689, 3868, 3906, 4284, 4743, 5802, 6324, 6769, 7378, 7812, 8703, 9486, 11067, 11604, 13538, 14756, 16439, 17406, 18972, 20307, 22134, 27076, 29977, 32878, 33201, 34812, 40614, 44268, 49317, 59954, 60921, 65756, 66402, 81228, 89931, 98634, 115073, 119908, 121842, 132804, 147951, 179862, 197268, 209839, 230146, 243684, 269793, 295902, 345219, 359724, 419678, 460292, 509609, 539586, 591804, 629517, 690438, 839356, 1019218, 1035657, 1079172, 1259034, 1380876, 1528827, 1888551, 2038436, 2071314, 2518068, 3057654, 3567263, 3777102, 4142628, 4586481, 6115308, 7134526, 7554204, 9172962, 10701789, 14269052, 18345924, 21403578, 32105367, 42807156, 64210734, 128421468]

約数ペア:

[(1, 128421468), (2, 64210734), (3, 42807156), (4, 32105367), (6, 21403578), (7, 18345924), (9, 14269052), (12, 10701789), (14, 9172962), (17, 7554204), (18, 7134526), (21, 6115308), (28, 4586481), (31, 4142628), (34, 3777102), (36, 3567263), (42, 3057654), (51, 2518068), (62, 2071314), (63, 2038436), (68, 1888551), (84, 1528827), (93, 1380876), (102, 1259034), (119, 1079172), (124, 1035657), (126, 1019218), (153, 839356), (186, 690438), (204, 629517), (217, 591804), (238, 539586), (252, 509609), (279, 460292), (306, 419678), (357, 359724), (372, 345219), (434, 295902), (476, 269793), (527, 243684), (558, 230146), (612, 209839), (651, 197268), (714, 179862), (868, 147951), (967, 132804), (1054, 121842), (1071, 119908), (1116, 115073), (1302, 98634), (1428, 89931), (1581, 81228), (1934, 66402), (1953, 65756), (2108, 60921), (2142, 59954), (2604, 49317), (2901, 44268), (3162, 40614), (3689, 34812), (3868, 33201), (3906, 32878), (4284, 29977), (4743, 27076), (5802, 22134), (6324, 20307), (6769, 18972), (7378, 17406), (7812, 16439), (8703, 14756), (9486, 13538), (11067, 11604)]