80178210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{18181}}^1$

素因数の和:18208

約数の個数: 72

約数和(自身を含む): 242511516

約数和(自身を除く): 162333306

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 18181, 36362, 54543, 90905, 109086, 127267, 163629, 181810, 254534, 272715, 327258, 381801, 545430, 636335, 763602, 818145, 890869, 1145403, 1272670, 1636290, 1781738, 1909005, 2290806, 2672607, 3818010, 4454345, 5345214, 5727015, 8017821, 8908690, 11454030, 13363035, 16035642, 26726070, 40089105, 80178210]

約数ペア:

[(1, 80178210), (2, 40089105), (3, 26726070), (5, 16035642), (6, 13363035), (7, 11454030), (9, 8908690), (10, 8017821), (14, 5727015), (15, 5345214), (18, 4454345), (21, 3818010), (30, 2672607), (35, 2290806), (42, 1909005), (45, 1781738), (49, 1636290), (63, 1272670), (70, 1145403), (90, 890869), (98, 818145), (105, 763602), (126, 636335), (147, 545430), (210, 381801), (245, 327258), (294, 272715), (315, 254534), (441, 181810), (490, 163629), (630, 127267), (735, 109086), (882, 90905), (1470, 54543), (2205, 36362), (4410, 18181)]