145347280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8221}}^1$

素因数の和:8264

約数の個数: 80

約数和(自身を含む): 385381584

約数和(自身を除く): 240034304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8221, 8840, 16442, 17680, 32884, 41105, 65768, 82210, 106873, 131536, 139757, 164420, 213746, 279514, 328840, 427492, 534365, 559028, 657680, 698785, 854984, 1068730, 1118056, 1397570, 1709968, 1816841, 2137460, 2236112, 2795140, 3633682, 4274920, 5590280, 7267364, 8549840, 9084205, 11180560, 14534728, 18168410, 29069456, 36336820, 72673640, 145347280]

約数ペア:

[(1, 145347280), (2, 72673640), (4, 36336820), (5, 29069456), (8, 18168410), (10, 14534728), (13, 11180560), (16, 9084205), (17, 8549840), (20, 7267364), (26, 5590280), (34, 4274920), (40, 3633682), (52, 2795140), (65, 2236112), (68, 2137460), (80, 1816841), (85, 1709968), (104, 1397570), (130, 1118056), (136, 1068730), (170, 854984), (208, 698785), (221, 657680), (260, 559028), (272, 534365), (340, 427492), (442, 328840), (520, 279514), (680, 213746), (884, 164420), (1040, 139757), (1105, 131536), (1360, 106873), (1768, 82210), (2210, 65768), (3536, 41105), (4420, 32884), (8221, 17680), (8840, 16442)]