7990252020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{778777}}^1$

素因数の和:778814

約数の個数: 96

約数和(自身を含む): 26166940800

約数和(自身を除く): 18176688780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 778777, 1557554, 2336331, 3115108, 3893885, 4672662, 7008993, 7787770, 9345324, 11681655, 14017986, 14796763, 15575540, 21026979, 23363310, 28035972, 29593526, 35044965, 42053958, 44390289, 46726620, 59187052, 70089930, 73983815, 84107916, 88780578, 105134895, 133170867, 140179860, 147967630, 177561156, 210269790, 221951445, 266341734, 295935260, 399512601, 420539580, 443902890, 532683468, 665854335, 799025202, 887805780, 1331708670, 1598050404, 1997563005, 2663417340, 3995126010, 7990252020]

約数ペア:

[(1, 7990252020), (2, 3995126010), (3, 2663417340), (4, 1997563005), (5, 1598050404), (6, 1331708670), (9, 887805780), (10, 799025202), (12, 665854335), (15, 532683468), (18, 443902890), (19, 420539580), (20, 399512601), (27, 295935260), (30, 266341734), (36, 221951445), (38, 210269790), (45, 177561156), (54, 147967630), (57, 140179860), (60, 133170867), (76, 105134895), (90, 88780578), (95, 84107916), (108, 73983815), (114, 70089930), (135, 59187052), (171, 46726620), (180, 44390289), (190, 42053958), (228, 35044965), (270, 29593526), (285, 28035972), (342, 23363310), (380, 21026979), (513, 15575540), (540, 14796763), (570, 14017986), (684, 11681655), (855, 9345324), (1026, 7787770), (1140, 7008993), (1710, 4672662), (2052, 3893885), (2565, 3115108), (3420, 2336331), (5130, 1557554), (10260, 778777)]