991040760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{144889}}^1$

素因数の和:144925

約数の個数: 96

約数和(自身を含む): 3390426000

約数和(自身を除く): 2399385240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 144889, 289778, 434667, 579556, 724445, 869334, 1159112, 1304001, 1448890, 1738668, 2173335, 2608002, 2752891, 2897780, 3477336, 4346670, 5216004, 5505782, 5795560, 6520005, 8258673, 8693340, 10432008, 11011564, 13040010, 13764455, 16517346, 17386680, 22023128, 24776019, 26080020, 27528910, 33034692, 41293365, 49552038, 52160040, 55057820, 66069384, 82586730, 99104076, 110115640, 123880095, 165173460, 198208152, 247760190, 330346920, 495520380, 991040760]

約数ペア:

[(1, 991040760), (2, 495520380), (3, 330346920), (4, 247760190), (5, 198208152), (6, 165173460), (8, 123880095), (9, 110115640), (10, 99104076), (12, 82586730), (15, 66069384), (18, 55057820), (19, 52160040), (20, 49552038), (24, 41293365), (30, 33034692), (36, 27528910), (38, 26080020), (40, 24776019), (45, 22023128), (57, 17386680), (60, 16517346), (72, 13764455), (76, 13040010), (90, 11011564), (95, 10432008), (114, 8693340), (120, 8258673), (152, 6520005), (171, 5795560), (180, 5505782), (190, 5216004), (228, 4346670), (285, 3477336), (342, 2897780), (360, 2752891), (380, 2608002), (456, 2173335), (570, 1738668), (684, 1448890), (760, 1304001), (855, 1159112), (1140, 869334), (1368, 724445), (1710, 579556), (2280, 434667), (3420, 289778), (6840, 144889)]