78513820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2999}}^1$

素因数の和:3043

約数の個数: 96

約数和(自身を含む): 217728000

約数和(自身を除く): 139214180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1870, 2380, 2618, 2999, 3740, 5236, 5998, 6545, 11996, 13090, 14995, 20993, 26180, 29990, 32989, 41986, 50983, 59980, 65978, 83972, 101966, 104965, 131956, 164945, 203932, 209930, 230923, 254915, 329890, 356881, 419860, 461846, 509830, 560813, 659780, 713762, 923692, 1019660, 1121626, 1154615, 1427524, 1784405, 2243252, 2309230, 2804065, 3568810, 3925691, 4618460, 5608130, 7137620, 7851382, 11216260, 15702764, 19628455, 39256910, 78513820]

約数ペア:

[(1, 78513820), (2, 39256910), (4, 19628455), (5, 15702764), (7, 11216260), (10, 7851382), (11, 7137620), (14, 5608130), (17, 4618460), (20, 3925691), (22, 3568810), (28, 2804065), (34, 2309230), (35, 2243252), (44, 1784405), (55, 1427524), (68, 1154615), (70, 1121626), (77, 1019660), (85, 923692), (110, 713762), (119, 659780), (140, 560813), (154, 509830), (170, 461846), (187, 419860), (220, 356881), (238, 329890), (308, 254915), (340, 230923), (374, 209930), (385, 203932), (476, 164945), (595, 131956), (748, 104965), (770, 101966), (935, 83972), (1190, 65978), (1309, 59980), (1540, 50983), (1870, 41986), (2380, 32989), (2618, 29990), (2999, 26180), (3740, 20993), (5236, 14995), (5998, 13090), (6545, 11996)]