15407340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19753}}^1$

素因数の和:19778

約数の個数: 48

約数和(自身を含む): 46461408

約数和(自身を除く): 31054068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19753, 39506, 59259, 79012, 98765, 118518, 197530, 237036, 256789, 296295, 395060, 513578, 592590, 770367, 1027156, 1185180, 1283945, 1540734, 2567890, 3081468, 3851835, 5135780, 7703670, 15407340]

約数ペア:

[(1, 15407340), (2, 7703670), (3, 5135780), (4, 3851835), (5, 3081468), (6, 2567890), (10, 1540734), (12, 1283945), (13, 1185180), (15, 1027156), (20, 770367), (26, 592590), (30, 513578), (39, 395060), (52, 296295), (60, 256789), (65, 237036), (78, 197530), (130, 118518), (156, 98765), (195, 79012), (260, 59259), (390, 39506), (780, 19753)]