68268760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 181930320

約数和(自身を除く): 113661560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 571, 610, 854, 980, 1142, 1220, 1708, 1960, 2135, 2284, 2440, 2855, 2989, 3416, 3997, 4270, 4568, 5710, 5978, 7994, 8540, 11420, 11956, 14945, 15988, 17080, 19985, 22840, 23912, 27979, 29890, 31976, 34831, 39970, 55958, 59780, 69662, 79940, 111916, 119560, 139324, 139895, 159880, 174155, 223832, 243817, 278648, 279790, 348310, 487634, 559580, 696620, 975268, 1119160, 1219085, 1393240, 1706719, 1950536, 2438170, 3413438, 4876340, 6826876, 8533595, 9752680, 13653752, 17067190, 34134380, 68268760]

約数ペア:

[(1, 68268760), (2, 34134380), (4, 17067190), (5, 13653752), (7, 9752680), (8, 8533595), (10, 6826876), (14, 4876340), (20, 3413438), (28, 2438170), (35, 1950536), (40, 1706719), (49, 1393240), (56, 1219085), (61, 1119160), (70, 975268), (98, 696620), (122, 559580), (140, 487634), (196, 348310), (244, 279790), (245, 278648), (280, 243817), (305, 223832), (392, 174155), (427, 159880), (488, 139895), (490, 139324), (571, 119560), (610, 111916), (854, 79940), (980, 69662), (1142, 59780), (1220, 55958), (1708, 39970), (1960, 34831), (2135, 31976), (2284, 29890), (2440, 27979), (2855, 23912), (2989, 22840), (3416, 19985), (3997, 17080), (4270, 15988), (4568, 14945), (5710, 11956), (5978, 11420), (7994, 8540)]