210825720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:459

約数の個数: 256

約数和(自身を含む): 815616000

約数和(自身を除く): 604790280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 79, 84, 90, 105, 108, 120, 126, 135, 140, 158, 168, 180, 189, 210, 216, 237, 252, 270, 280, 315, 316, 353, 360, 378, 395, 420, 474, 504, 540, 553, 630, 632, 706, 711, 756, 790, 840, 945, 948, 1059, 1080, 1106, 1185, 1260, 1412, 1422, 1512, 1580, 1659, 1765, 1890, 1896, 2118, 2133, 2212, 2370, 2471, 2520, 2765, 2824, 2844, 3160, 3177, 3318, 3530, 3555, 3780, 4236, 4266, 4424, 4740, 4942, 4977, 5295, 5530, 5688, 6354, 6636, 7060, 7110, 7413, 7560, 8295, 8472, 8532, 9480, 9531, 9884, 9954, 10590, 10665, 11060, 12355, 12708, 13272, 14120, 14220, 14826, 14931, 15885, 16590, 17064, 19062, 19768, 19908, 21180, 21330, 22120, 22239, 24710, 24885, 25416, 27887, 28440, 29652, 29862, 31770, 33180, 37065, 38124, 39816, 42360, 42660, 44478, 47655, 49420, 49770, 55774, 59304, 59724, 63540, 66360, 66717, 74130, 74655, 76248, 83661, 85320, 88956, 95310, 98840, 99540, 111195, 111548, 119448, 127080, 133434, 139435, 148260, 149310, 167322, 177912, 190620, 195209, 199080, 222390, 223096, 250983, 266868, 278870, 296520, 298620, 333585, 334644, 381240, 390418, 418305, 444780, 501966, 533736, 557740, 585627, 597240, 667170, 669288, 752949, 780836, 836610, 889560, 976045, 1003932, 1115480, 1171254, 1254915, 1334340, 1505898, 1561672, 1673220, 1756881, 1952090, 2007864, 2342508, 2509830, 2668680, 2928135, 3011796, 3346440, 3513762, 3764745, 3904180, 4685016, 5019660, 5270643, 5856270, 6023592, 7027524, 7529490, 7808360, 8784405, 10039320, 10541286, 11712540, 14055048, 15058980, 17568810, 21082572, 23425080, 26353215, 30117960, 35137620, 42165144, 52706430, 70275240, 105412860, 210825720]

約数ペア:

[(1, 210825720), (2, 105412860), (3, 70275240), (4, 52706430), (5, 42165144), (6, 35137620), (7, 30117960), (8, 26353215), (9, 23425080), (10, 21082572), (12, 17568810), (14, 15058980), (15, 14055048), (18, 11712540), (20, 10541286), (21, 10039320), (24, 8784405), (27, 7808360), (28, 7529490), (30, 7027524), (35, 6023592), (36, 5856270), (40, 5270643), (42, 5019660), (45, 4685016), (54, 3904180), (56, 3764745), (60, 3513762), (63, 3346440), (70, 3011796), (72, 2928135), (79, 2668680), (84, 2509830), (90, 2342508), (105, 2007864), (108, 1952090), (120, 1756881), (126, 1673220), (135, 1561672), (140, 1505898), (158, 1334340), (168, 1254915), (180, 1171254), (189, 1115480), (210, 1003932), (216, 976045), (237, 889560), (252, 836610), (270, 780836), (280, 752949), (315, 669288), (316, 667170), (353, 597240), (360, 585627), (378, 557740), (395, 533736), (420, 501966), (474, 444780), (504, 418305), (540, 390418), (553, 381240), (630, 334644), (632, 333585), (706, 298620), (711, 296520), (756, 278870), (790, 266868), (840, 250983), (945, 223096), (948, 222390), (1059, 199080), (1080, 195209), (1106, 190620), (1185, 177912), (1260, 167322), (1412, 149310), (1422, 148260), (1512, 139435), (1580, 133434), (1659, 127080), (1765, 119448), (1890, 111548), (1896, 111195), (2118, 99540), (2133, 98840), (2212, 95310), (2370, 88956), (2471, 85320), (2520, 83661), (2765, 76248), (2824, 74655), (2844, 74130), (3160, 66717), (3177, 66360), (3318, 63540), (3530, 59724), (3555, 59304), (3780, 55774), (4236, 49770), (4266, 49420), (4424, 47655), (4740, 44478), (4942, 42660), (4977, 42360), (5295, 39816), (5530, 38124), (5688, 37065), (6354, 33180), (6636, 31770), (7060, 29862), (7110, 29652), (7413, 28440), (7560, 27887), (8295, 25416), (8472, 24885), (8532, 24710), (9480, 22239), (9531, 22120), (9884, 21330), (9954, 21180), (10590, 19908), (10665, 19768), (11060, 19062), (12355, 17064), (12708, 16590), (13272, 15885), (14120, 14931), (14220, 14826)]