17870940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{983}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 54800928

約数和(自身を除く): 36929988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 983, 1010, 1212, 1515, 1818, 1966, 2020, 2949, 3030, 3636, 3932, 4545, 4915, 5898, 6060, 8847, 9090, 9830, 11796, 14745, 17694, 18180, 19660, 29490, 35388, 44235, 58980, 88470, 99283, 176940, 198566, 297849, 397132, 496415, 595698, 893547, 992830, 1191396, 1489245, 1787094, 1985660, 2978490, 3574188, 4467735, 5956980, 8935470, 17870940]

約数ペア:

[(1, 17870940), (2, 8935470), (3, 5956980), (4, 4467735), (5, 3574188), (6, 2978490), (9, 1985660), (10, 1787094), (12, 1489245), (15, 1191396), (18, 992830), (20, 893547), (30, 595698), (36, 496415), (45, 397132), (60, 297849), (90, 198566), (101, 176940), (180, 99283), (202, 88470), (303, 58980), (404, 44235), (505, 35388), (606, 29490), (909, 19660), (983, 18180), (1010, 17694), (1212, 14745), (1515, 11796), (1818, 9830), (1966, 9090), (2020, 8847), (2949, 6060), (3030, 5898), (3636, 4915), (3932, 4545)]