1288792680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2687}}^1$

素因数の和:3279

約数の個数: 128

約数和(自身を含む): 4428103680

約数和(自身を除く): 3139311000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 571, 840, 1142, 1713, 2284, 2687, 2855, 3426, 3997, 4568, 5374, 5710, 6852, 7994, 8061, 8565, 10748, 11420, 11991, 13435, 13704, 15988, 16122, 17130, 18809, 19985, 21496, 22840, 23982, 26870, 31976, 32244, 34260, 37618, 39970, 40305, 47964, 53740, 56427, 59955, 64488, 68520, 75236, 79940, 80610, 94045, 95928, 107480, 112854, 119910, 150472, 159880, 161220, 188090, 225708, 239820, 282135, 322440, 376180, 451416, 479640, 564270, 752360, 1128540, 1534277, 2257080, 3068554, 4602831, 6137108, 7671385, 9205662, 10739939, 12274216, 15342770, 18411324, 21479878, 23014155, 30685540, 32219817, 36822648, 42959756, 46028310, 53699695, 61371080, 64439634, 85919512, 92056620, 107399390, 128879268, 161099085, 184113240, 214798780, 257758536, 322198170, 429597560, 644396340, 1288792680]

約数ペア:

[(1, 1288792680), (2, 644396340), (3, 429597560), (4, 322198170), (5, 257758536), (6, 214798780), (7, 184113240), (8, 161099085), (10, 128879268), (12, 107399390), (14, 92056620), (15, 85919512), (20, 64439634), (21, 61371080), (24, 53699695), (28, 46028310), (30, 42959756), (35, 36822648), (40, 32219817), (42, 30685540), (56, 23014155), (60, 21479878), (70, 18411324), (84, 15342770), (105, 12274216), (120, 10739939), (140, 9205662), (168, 7671385), (210, 6137108), (280, 4602831), (420, 3068554), (571, 2257080), (840, 1534277), (1142, 1128540), (1713, 752360), (2284, 564270), (2687, 479640), (2855, 451416), (3426, 376180), (3997, 322440), (4568, 282135), (5374, 239820), (5710, 225708), (6852, 188090), (7994, 161220), (8061, 159880), (8565, 150472), (10748, 119910), (11420, 112854), (11991, 107480), (13435, 95928), (13704, 94045), (15988, 80610), (16122, 79940), (17130, 75236), (18809, 68520), (19985, 64488), (21496, 59955), (22840, 56427), (23982, 53740), (26870, 47964), (31976, 40305), (32244, 39970), (34260, 37618)]