31902780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5843}}^1$

素因数の和:5875

約数の個数: 96

約数和(自身を含む): 109960704

約数和(自身を除く): 78057924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 5843, 11686, 17529, 23372, 29215, 35058, 40901, 58430, 70116, 75959, 81802, 87645, 116860, 122703, 151918, 163604, 175290, 204505, 227877, 245406, 303836, 350580, 379795, 409010, 455754, 490812, 531713, 613515, 759590, 818020, 911508, 1063426, 1139385, 1227030, 1519180, 1595139, 2126852, 2278770, 2454060, 2658565, 3190278, 4557540, 5317130, 6380556, 7975695, 10634260, 15951390, 31902780]

約数ペア:

[(1, 31902780), (2, 15951390), (3, 10634260), (4, 7975695), (5, 6380556), (6, 5317130), (7, 4557540), (10, 3190278), (12, 2658565), (13, 2454060), (14, 2278770), (15, 2126852), (20, 1595139), (21, 1519180), (26, 1227030), (28, 1139385), (30, 1063426), (35, 911508), (39, 818020), (42, 759590), (52, 613515), (60, 531713), (65, 490812), (70, 455754), (78, 409010), (84, 379795), (91, 350580), (105, 303836), (130, 245406), (140, 227877), (156, 204505), (182, 175290), (195, 163604), (210, 151918), (260, 122703), (273, 116860), (364, 87645), (390, 81802), (420, 75959), (455, 70116), (546, 58430), (780, 40901), (910, 35058), (1092, 29215), (1365, 23372), (1820, 17529), (2730, 11686), (5460, 5843)]