78427830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 96

約数和(自身を含む): 210816000

約数和(自身を除く): 132388170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 169, 186, 195, 310, 338, 390, 403, 465, 499, 507, 806, 845, 930, 998, 1014, 1209, 1497, 1690, 2015, 2418, 2495, 2535, 2994, 4030, 4990, 5070, 5239, 6045, 6487, 7485, 10478, 12090, 12974, 14970, 15469, 15717, 19461, 26195, 30938, 31434, 32435, 38922, 46407, 52390, 64870, 77345, 78585, 84331, 92814, 97305, 154690, 157170, 168662, 194610, 201097, 232035, 252993, 402194, 421655, 464070, 505986, 603291, 843310, 1005485, 1206582, 1264965, 2010970, 2529930, 2614261, 3016455, 5228522, 6032910, 7842783, 13071305, 15685566, 26142610, 39213915, 78427830]

約数ペア:

[(1, 78427830), (2, 39213915), (3, 26142610), (5, 15685566), (6, 13071305), (10, 7842783), (13, 6032910), (15, 5228522), (26, 3016455), (30, 2614261), (31, 2529930), (39, 2010970), (62, 1264965), (65, 1206582), (78, 1005485), (93, 843310), (130, 603291), (155, 505986), (169, 464070), (186, 421655), (195, 402194), (310, 252993), (338, 232035), (390, 201097), (403, 194610), (465, 168662), (499, 157170), (507, 154690), (806, 97305), (845, 92814), (930, 84331), (998, 78585), (1014, 77345), (1209, 64870), (1497, 52390), (1690, 46407), (2015, 38922), (2418, 32435), (2495, 31434), (2535, 30938), (2994, 26195), (4030, 19461), (4990, 15717), (5070, 15469), (5239, 14970), (6045, 12974), (6487, 12090), (7485, 10478)]