2783507940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{80963}}^1$

素因数の和:81169

約数の個数: 72

約数和(自身を含む): 8487618048

約数和(自身を除く): 5704110108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2865, 3438, 3820, 5730, 6876, 8595, 11460, 17190, 34380, 80963, 161926, 242889, 323852, 404815, 485778, 728667, 809630, 971556, 1214445, 1457334, 1619260, 2428890, 2914668, 3643335, 4857780, 7286670, 14573340, 15463933, 30927866, 46391799, 61855732, 77319665, 92783598, 139175397, 154639330, 185567196, 231958995, 278350794, 309278660, 463917990, 556701588, 695876985, 927835980, 1391753970, 2783507940]

約数ペア:

[(1, 2783507940), (2, 1391753970), (3, 927835980), (4, 695876985), (5, 556701588), (6, 463917990), (9, 309278660), (10, 278350794), (12, 231958995), (15, 185567196), (18, 154639330), (20, 139175397), (30, 92783598), (36, 77319665), (45, 61855732), (60, 46391799), (90, 30927866), (180, 15463933), (191, 14573340), (382, 7286670), (573, 4857780), (764, 3643335), (955, 2914668), (1146, 2428890), (1719, 1619260), (1910, 1457334), (2292, 1214445), (2865, 971556), (3438, 809630), (3820, 728667), (5730, 485778), (6876, 404815), (8595, 323852), (11460, 242889), (17190, 161926), (34380, 80963)]