80272980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:778

約数の個数: 144

約数和(自身を含む): 265159440

約数和(自身を除く): 184886460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 444, 510, 555, 612, 629, 666, 709, 740, 765, 1020, 1110, 1258, 1332, 1418, 1530, 1665, 1887, 2127, 2220, 2516, 2836, 3060, 3145, 3330, 3545, 3774, 4254, 5661, 6290, 6381, 6660, 7090, 7548, 8508, 9435, 10635, 11322, 12053, 12580, 12762, 14180, 18870, 21270, 22644, 24106, 25524, 26233, 28305, 31905, 36159, 37740, 42540, 48212, 52466, 56610, 60265, 63810, 72318, 78699, 104932, 108477, 113220, 120530, 127620, 131165, 144636, 157398, 180795, 216954, 236097, 241060, 262330, 314796, 361590, 393495, 433908, 445961, 472194, 524660, 542385, 723180, 786990, 891922, 944388, 1084770, 1180485, 1337883, 1573980, 1783844, 2169540, 2229805, 2360970, 2675766, 4013649, 4459610, 4721940, 5351532, 6689415, 8027298, 8919220, 13378830, 16054596, 20068245, 26757660, 40136490, 80272980]

約数ペア:

[(1, 80272980), (2, 40136490), (3, 26757660), (4, 20068245), (5, 16054596), (6, 13378830), (9, 8919220), (10, 8027298), (12, 6689415), (15, 5351532), (17, 4721940), (18, 4459610), (20, 4013649), (30, 2675766), (34, 2360970), (36, 2229805), (37, 2169540), (45, 1783844), (51, 1573980), (60, 1337883), (68, 1180485), (74, 1084770), (85, 944388), (90, 891922), (102, 786990), (111, 723180), (148, 542385), (153, 524660), (170, 472194), (180, 445961), (185, 433908), (204, 393495), (222, 361590), (255, 314796), (306, 262330), (333, 241060), (340, 236097), (370, 216954), (444, 180795), (510, 157398), (555, 144636), (612, 131165), (629, 127620), (666, 120530), (709, 113220), (740, 108477), (765, 104932), (1020, 78699), (1110, 72318), (1258, 63810), (1332, 60265), (1418, 56610), (1530, 52466), (1665, 48212), (1887, 42540), (2127, 37740), (2220, 36159), (2516, 31905), (2836, 28305), (3060, 26233), (3145, 25524), (3330, 24106), (3545, 22644), (3774, 21270), (4254, 18870), (5661, 14180), (6290, 12762), (6381, 12580), (6660, 12053), (7090, 11322), (7548, 10635), (8508, 9435)]