1219269680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1913}}^1$

素因数の和:2214

約数の個数: 80

約数和(自身を含む): 2939169024

約数和(自身を除く): 1719899344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 257, 310, 496, 514, 620, 1028, 1240, 1285, 1913, 2056, 2480, 2570, 3826, 4112, 5140, 7652, 7967, 9565, 10280, 15304, 15934, 19130, 20560, 30608, 31868, 38260, 39835, 59303, 63736, 76520, 79670, 118606, 127472, 153040, 159340, 237212, 296515, 318680, 474424, 491641, 593030, 637360, 948848, 983282, 1186060, 1966564, 2372120, 2458205, 3933128, 4744240, 4916410, 7866256, 9832820, 15240871, 19665640, 30481742, 39331280, 60963484, 76204355, 121926968, 152408710, 243853936, 304817420, 609634840, 1219269680]

約数ペア:

[(1, 1219269680), (2, 609634840), (4, 304817420), (5, 243853936), (8, 152408710), (10, 121926968), (16, 76204355), (20, 60963484), (31, 39331280), (40, 30481742), (62, 19665640), (80, 15240871), (124, 9832820), (155, 7866256), (248, 4916410), (257, 4744240), (310, 3933128), (496, 2458205), (514, 2372120), (620, 1966564), (1028, 1186060), (1240, 983282), (1285, 948848), (1913, 637360), (2056, 593030), (2480, 491641), (2570, 474424), (3826, 318680), (4112, 296515), (5140, 237212), (7652, 159340), (7967, 153040), (9565, 127472), (10280, 118606), (15304, 79670), (15934, 76520), (19130, 63736), (20560, 59303), (30608, 39835), (31868, 38260)]