18200280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 45666600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 461, 470, 564, 658, 705, 840, 922, 940, 987, 1128, 1316, 1383, 1410, 1645, 1844, 1880, 1974, 2305, 2632, 2766, 2820, 3227, 3290, 3688, 3948, 4610, 4935, 5532, 5640, 6454, 6580, 6915, 7896, 9220, 9681, 9870, 11064, 12908, 13160, 13830, 16135, 18440, 19362, 19740, 21667, 25816, 27660, 32270, 38724, 39480, 43334, 48405, 55320, 64540, 65001, 77448, 86668, 96810, 108335, 129080, 130002, 151669, 173336, 193620, 216670, 260004, 303338, 325005, 387240, 433340, 455007, 520008, 606676, 650010, 758345, 866680, 910014, 1213352, 1300020, 1516690, 1820028, 2275035, 2600040, 3033380, 3640056, 4550070, 6066760, 9100140, 18200280]

約数ペア:

[(1, 18200280), (2, 9100140), (3, 6066760), (4, 4550070), (5, 3640056), (6, 3033380), (7, 2600040), (8, 2275035), (10, 1820028), (12, 1516690), (14, 1300020), (15, 1213352), (20, 910014), (21, 866680), (24, 758345), (28, 650010), (30, 606676), (35, 520008), (40, 455007), (42, 433340), (47, 387240), (56, 325005), (60, 303338), (70, 260004), (84, 216670), (94, 193620), (105, 173336), (120, 151669), (140, 130002), (141, 129080), (168, 108335), (188, 96810), (210, 86668), (235, 77448), (280, 65001), (282, 64540), (329, 55320), (376, 48405), (420, 43334), (461, 39480), (470, 38724), (564, 32270), (658, 27660), (705, 25816), (840, 21667), (922, 19740), (940, 19362), (987, 18440), (1128, 16135), (1316, 13830), (1383, 13160), (1410, 12908), (1645, 11064), (1844, 9870), (1880, 9681), (1974, 9220), (2305, 7896), (2632, 6915), (2766, 6580), (2820, 6454), (3227, 5640), (3290, 5532), (3688, 4935), (3948, 4610)]