787788120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30253}}^1$

素因数の和:30305

約数の個数: 128

約数和(自身を含む): 2788208640

約数和(自身を除く): 2000420520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 30253, 60506, 90759, 121012, 151265, 181518, 211771, 242024, 302530, 363036, 423542, 453795, 605060, 635313, 726072, 847084, 907590, 937843, 1058855, 1210120, 1270626, 1694168, 1815180, 1875686, 2117710, 2541252, 2813529, 3176565, 3630360, 3751372, 4235420, 4689215, 5082504, 5627058, 6353130, 6564901, 7502744, 8470840, 9378430, 11254116, 12706260, 13129802, 14067645, 18756860, 19694703, 22508232, 25412520, 26259604, 28135290, 32824505, 37513720, 39389406, 52519208, 56270580, 65649010, 78778812, 98473515, 112541160, 131298020, 157557624, 196947030, 262596040, 393894060, 787788120]

約数ペア:

[(1, 787788120), (2, 393894060), (3, 262596040), (4, 196947030), (5, 157557624), (6, 131298020), (7, 112541160), (8, 98473515), (10, 78778812), (12, 65649010), (14, 56270580), (15, 52519208), (20, 39389406), (21, 37513720), (24, 32824505), (28, 28135290), (30, 26259604), (31, 25412520), (35, 22508232), (40, 19694703), (42, 18756860), (56, 14067645), (60, 13129802), (62, 12706260), (70, 11254116), (84, 9378430), (93, 8470840), (105, 7502744), (120, 6564901), (124, 6353130), (140, 5627058), (155, 5082504), (168, 4689215), (186, 4235420), (210, 3751372), (217, 3630360), (248, 3176565), (280, 2813529), (310, 2541252), (372, 2117710), (420, 1875686), (434, 1815180), (465, 1694168), (620, 1270626), (651, 1210120), (744, 1058855), (840, 937843), (868, 907590), (930, 847084), (1085, 726072), (1240, 635313), (1302, 605060), (1736, 453795), (1860, 423542), (2170, 363036), (2604, 302530), (3255, 242024), (3720, 211771), (4340, 181518), (5208, 151265), (6510, 121012), (8680, 90759), (13020, 60506), (26040, 30253)]