161936040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{192781}}^1$

素因数の和:192802

約数の個数: 64

約数和(自身を含む): 555212160

約数和(自身を除く): 393276120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 192781, 385562, 578343, 771124, 963905, 1156686, 1349467, 1542248, 1927810, 2313372, 2698934, 2891715, 3855620, 4048401, 4626744, 5397868, 5783430, 6747335, 7711240, 8096802, 10795736, 11566860, 13494670, 16193604, 20242005, 23133720, 26989340, 32387208, 40484010, 53978680, 80968020, 161936040]

約数ペア:

[(1, 161936040), (2, 80968020), (3, 53978680), (4, 40484010), (5, 32387208), (6, 26989340), (7, 23133720), (8, 20242005), (10, 16193604), (12, 13494670), (14, 11566860), (15, 10795736), (20, 8096802), (21, 7711240), (24, 6747335), (28, 5783430), (30, 5397868), (35, 4626744), (40, 4048401), (42, 3855620), (56, 2891715), (60, 2698934), (70, 2313372), (84, 1927810), (105, 1542248), (120, 1349467), (140, 1156686), (168, 963905), (210, 771124), (280, 578343), (420, 385562), (840, 192781)]