128123790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1445

約数の個数: 64

約数和(自身を含む): 318676032

約数和(自身を除く): 190552242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 61, 106, 122, 159, 183, 265, 305, 318, 366, 530, 610, 795, 915, 1321, 1590, 1830, 2642, 3233, 3963, 6466, 6605, 7926, 9699, 13210, 16165, 19398, 19815, 32330, 39630, 48495, 70013, 80581, 96990, 140026, 161162, 210039, 241743, 350065, 402905, 420078, 483486, 700130, 805810, 1050195, 1208715, 2100390, 2417430, 4270793, 8541586, 12812379, 21353965, 25624758, 42707930, 64061895, 128123790]

約数ペア:

[(1, 128123790), (2, 64061895), (3, 42707930), (5, 25624758), (6, 21353965), (10, 12812379), (15, 8541586), (30, 4270793), (53, 2417430), (61, 2100390), (106, 1208715), (122, 1050195), (159, 805810), (183, 700130), (265, 483486), (305, 420078), (318, 402905), (366, 350065), (530, 241743), (610, 210039), (795, 161162), (915, 140026), (1321, 96990), (1590, 80581), (1830, 70013), (2642, 48495), (3233, 39630), (3963, 32330), (6466, 19815), (6605, 19398), (7926, 16165), (9699, 13210)]