720388788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{39521}}^1$

素因数の和:39573

約数の個数: 72

約数和(自身を含む): 2018467584

約数和(自身を除く): 1298078796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 2604, 3038, 4557, 6076, 9114, 18228, 39521, 79042, 118563, 158084, 237126, 276647, 474252, 553294, 829941, 1106588, 1225151, 1659882, 1936529, 2450302, 3319764, 3675453, 3873058, 4900604, 5809587, 7350906, 7746116, 8576057, 11619174, 14701812, 17152114, 23238348, 25728171, 34304228, 51456342, 60032399, 102912684, 120064798, 180097197, 240129596, 360194394, 720388788]

約数ペア:

[(1, 720388788), (2, 360194394), (3, 240129596), (4, 180097197), (6, 120064798), (7, 102912684), (12, 60032399), (14, 51456342), (21, 34304228), (28, 25728171), (31, 23238348), (42, 17152114), (49, 14701812), (62, 11619174), (84, 8576057), (93, 7746116), (98, 7350906), (124, 5809587), (147, 4900604), (186, 3873058), (196, 3675453), (217, 3319764), (294, 2450302), (372, 1936529), (434, 1659882), (588, 1225151), (651, 1106588), (868, 829941), (1302, 553294), (1519, 474252), (2604, 276647), (3038, 237126), (4557, 158084), (6076, 118563), (9114, 79042), (18228, 39521)]