30726228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 78909600

約数和(自身を除く): 48183372

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 139, 156, 169, 218, 278, 327, 338, 417, 436, 507, 556, 654, 676, 834, 1014, 1308, 1417, 1668, 1807, 2028, 2834, 3614, 4251, 5421, 5668, 7228, 8502, 10842, 15151, 17004, 18421, 21684, 23491, 30302, 36842, 45453, 46982, 55263, 60604, 70473, 73684, 90906, 93964, 110526, 140946, 181812, 196963, 221052, 281892, 393926, 590889, 787852, 1181778, 2363556, 2560519, 5121038, 7681557, 10242076, 15363114, 30726228]

約数ペア:

[(1, 30726228), (2, 15363114), (3, 10242076), (4, 7681557), (6, 5121038), (12, 2560519), (13, 2363556), (26, 1181778), (39, 787852), (52, 590889), (78, 393926), (109, 281892), (139, 221052), (156, 196963), (169, 181812), (218, 140946), (278, 110526), (327, 93964), (338, 90906), (417, 73684), (436, 70473), (507, 60604), (556, 55263), (654, 46982), (676, 45453), (834, 36842), (1014, 30302), (1308, 23491), (1417, 21684), (1668, 18421), (1807, 17004), (2028, 15151), (2834, 10842), (3614, 8502), (4251, 7228), (5421, 5668)]