513240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 128

約数和(自身を含む): 1935360

約数和(自身を除く): 1422120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 47, 52, 56, 60, 65, 70, 78, 84, 91, 94, 104, 105, 120, 130, 140, 141, 156, 168, 182, 188, 195, 210, 235, 260, 273, 280, 282, 312, 329, 364, 376, 390, 420, 455, 470, 520, 546, 564, 611, 658, 705, 728, 780, 840, 910, 940, 987, 1092, 1128, 1222, 1316, 1365, 1410, 1560, 1645, 1820, 1833, 1880, 1974, 2184, 2444, 2632, 2730, 2820, 3055, 3290, 3640, 3666, 3948, 4277, 4888, 4935, 5460, 5640, 6110, 6580, 7332, 7896, 8554, 9165, 9870, 10920, 12220, 12831, 13160, 14664, 17108, 18330, 19740, 21385, 24440, 25662, 34216, 36660, 39480, 42770, 51324, 64155, 73320, 85540, 102648, 128310, 171080, 256620, 513240]

約数ペア:

[(1, 513240), (2, 256620), (3, 171080), (4, 128310), (5, 102648), (6, 85540), (7, 73320), (8, 64155), (10, 51324), (12, 42770), (13, 39480), (14, 36660), (15, 34216), (20, 25662), (21, 24440), (24, 21385), (26, 19740), (28, 18330), (30, 17108), (35, 14664), (39, 13160), (40, 12831), (42, 12220), (47, 10920), (52, 9870), (56, 9165), (60, 8554), (65, 7896), (70, 7332), (78, 6580), (84, 6110), (91, 5640), (94, 5460), (104, 4935), (105, 4888), (120, 4277), (130, 3948), (140, 3666), (141, 3640), (156, 3290), (168, 3055), (182, 2820), (188, 2730), (195, 2632), (210, 2444), (235, 2184), (260, 1974), (273, 1880), (280, 1833), (282, 1820), (312, 1645), (329, 1560), (364, 1410), (376, 1365), (390, 1316), (420, 1222), (455, 1128), (470, 1092), (520, 987), (546, 940), (564, 910), (611, 840), (658, 780), (705, 728)]