201713580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18371}}^1$

素因数の和:18447

約数の個数: 72

約数和(自身を含む): 621928944

約数和(自身を除く): 420215364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 18371, 36742, 55113, 73484, 91855, 110226, 165339, 183710, 220452, 275565, 330678, 367420, 551130, 661356, 826695, 1102260, 1120631, 1653390, 2241262, 3306780, 3361893, 4482524, 5603155, 6723786, 10085679, 11206310, 13447572, 16809465, 20171358, 22412620, 33618930, 40342716, 50428395, 67237860, 100856790, 201713580]

約数ペア:

[(1, 201713580), (2, 100856790), (3, 67237860), (4, 50428395), (5, 40342716), (6, 33618930), (9, 22412620), (10, 20171358), (12, 16809465), (15, 13447572), (18, 11206310), (20, 10085679), (30, 6723786), (36, 5603155), (45, 4482524), (60, 3361893), (61, 3306780), (90, 2241262), (122, 1653390), (180, 1120631), (183, 1102260), (244, 826695), (305, 661356), (366, 551130), (549, 367420), (610, 330678), (732, 275565), (915, 220452), (1098, 183710), (1220, 165339), (1830, 110226), (2196, 91855), (2745, 73484), (3660, 55113), (5490, 36742), (10980, 18371)]