720072340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2273

約数の個数: 96

約数和(自身を含む): 1722792960

約数和(自身を除く): 1002720620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 62, 65, 82, 124, 130, 155, 164, 205, 260, 310, 403, 410, 533, 620, 806, 820, 1066, 1271, 1612, 2015, 2132, 2179, 2542, 2665, 4030, 4358, 5084, 5330, 6355, 8060, 8716, 10660, 10895, 12710, 16523, 21790, 25420, 28327, 33046, 43580, 56654, 66092, 67549, 82615, 89339, 113308, 135098, 141635, 165230, 178678, 270196, 283270, 330460, 337745, 357356, 446695, 566540, 675490, 878137, 893390, 1161407, 1350980, 1756274, 1786780, 2322814, 2769509, 3512548, 4390685, 4645628, 5539018, 5807035, 8781370, 11078036, 11614070, 13847545, 17562740, 23228140, 27695090, 36003617, 55390180, 72007234, 144014468, 180018085, 360036170, 720072340]

約数ペア:

[(1, 720072340), (2, 360036170), (4, 180018085), (5, 144014468), (10, 72007234), (13, 55390180), (20, 36003617), (26, 27695090), (31, 23228140), (41, 17562740), (52, 13847545), (62, 11614070), (65, 11078036), (82, 8781370), (124, 5807035), (130, 5539018), (155, 4645628), (164, 4390685), (205, 3512548), (260, 2769509), (310, 2322814), (403, 1786780), (410, 1756274), (533, 1350980), (620, 1161407), (806, 893390), (820, 878137), (1066, 675490), (1271, 566540), (1612, 446695), (2015, 357356), (2132, 337745), (2179, 330460), (2542, 283270), (2665, 270196), (4030, 178678), (4358, 165230), (5084, 141635), (5330, 135098), (6355, 113308), (8060, 89339), (8716, 82615), (10660, 67549), (10895, 66092), (12710, 56654), (16523, 43580), (21790, 33046), (25420, 28327)]