72920556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 108

約数和(自身を含む): 201923904

約数和(自身を除く): 129003348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 181, 186, 228, 279, 342, 361, 362, 372, 543, 558, 589, 684, 722, 724, 1083, 1086, 1116, 1178, 1444, 1629, 1767, 2166, 2172, 2356, 3249, 3258, 3439, 3534, 4332, 5301, 5611, 6498, 6516, 6878, 7068, 10317, 10602, 11191, 11222, 12996, 13756, 16833, 20634, 21204, 22382, 22444, 30951, 33573, 33666, 41268, 44764, 50499, 61902, 65341, 67146, 67332, 100719, 100998, 106609, 123804, 130682, 134292, 196023, 201438, 201996, 213218, 261364, 319827, 392046, 402876, 426436, 588069, 639654, 784092, 959481, 1176138, 1279308, 1918962, 2025571, 2352276, 3837924, 4051142, 6076713, 8102284, 12153426, 18230139, 24306852, 36460278, 72920556]

約数ペア:

[(1, 72920556), (2, 36460278), (3, 24306852), (4, 18230139), (6, 12153426), (9, 8102284), (12, 6076713), (18, 4051142), (19, 3837924), (31, 2352276), (36, 2025571), (38, 1918962), (57, 1279308), (62, 1176138), (76, 959481), (93, 784092), (114, 639654), (124, 588069), (171, 426436), (181, 402876), (186, 392046), (228, 319827), (279, 261364), (342, 213218), (361, 201996), (362, 201438), (372, 196023), (543, 134292), (558, 130682), (589, 123804), (684, 106609), (722, 100998), (724, 100719), (1083, 67332), (1086, 67146), (1116, 65341), (1178, 61902), (1444, 50499), (1629, 44764), (1767, 41268), (2166, 33666), (2172, 33573), (2356, 30951), (3249, 22444), (3258, 22382), (3439, 21204), (3534, 20634), (4332, 16833), (5301, 13756), (5611, 12996), (6498, 11222), (6516, 11191), (6878, 10602), (7068, 10317)]