215085780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1500

約数の個数: 240

約数和(自身を含む): 831008640

約数和(自身を除く): 615922860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 1053, 1092, 1134, 1170, 1260, 1365, 1404, 1459, 1620, 1638, 1755, 1820, 1890, 2106, 2268, 2340, 2457, 2730, 2835, 2918, 3276, 3510, 3780, 4095, 4212, 4377, 4914, 5265, 5460, 5670, 5836, 7020, 7295, 7371, 8190, 8754, 9828, 10213, 10530, 11340, 12285, 13131, 14590, 14742, 16380, 17508, 18967, 20426, 21060, 21885, 24570, 26262, 29180, 29484, 30639, 36855, 37934, 39393, 40852, 43770, 49140, 51065, 52524, 56901, 61278, 65655, 73710, 75868, 78786, 87540, 91917, 94835, 102130, 113802, 118179, 122556, 131310, 132769, 147420, 153195, 157572, 170703, 183834, 189670, 196965, 204260, 227604, 236358, 262620, 265538, 275751, 284505, 306390, 341406, 367668, 379340, 393930, 398307, 459585, 472716, 512109, 531076, 551502, 569010, 590895, 612780, 663845, 682812, 787860, 796614, 827253, 853515, 919170, 1024218, 1103004, 1138020, 1181790, 1194921, 1327690, 1378755, 1536327, 1593228, 1654506, 1707030, 1838340, 1991535, 2048436, 2363580, 2389842, 2560545, 2655380, 2757510, 3072654, 3309012, 3414060, 3584763, 3983070, 4136265, 4779684, 5121090, 5515020, 5974605, 6145308, 7169526, 7681635, 7966140, 8272530, 10242180, 10754289, 11949210, 14339052, 15363270, 16545060, 17923815, 21508578, 23898420, 30726540, 35847630, 43017156, 53771445, 71695260, 107542890, 215085780]

約数ペア:

[(1, 215085780), (2, 107542890), (3, 71695260), (4, 53771445), (5, 43017156), (6, 35847630), (7, 30726540), (9, 23898420), (10, 21508578), (12, 17923815), (13, 16545060), (14, 15363270), (15, 14339052), (18, 11949210), (20, 10754289), (21, 10242180), (26, 8272530), (27, 7966140), (28, 7681635), (30, 7169526), (35, 6145308), (36, 5974605), (39, 5515020), (42, 5121090), (45, 4779684), (52, 4136265), (54, 3983070), (60, 3584763), (63, 3414060), (65, 3309012), (70, 3072654), (78, 2757510), (81, 2655380), (84, 2560545), (90, 2389842), (91, 2363580), (105, 2048436), (108, 1991535), (117, 1838340), (126, 1707030), (130, 1654506), (135, 1593228), (140, 1536327), (156, 1378755), (162, 1327690), (180, 1194921), (182, 1181790), (189, 1138020), (195, 1103004), (210, 1024218), (234, 919170), (252, 853515), (260, 827253), (270, 796614), (273, 787860), (315, 682812), (324, 663845), (351, 612780), (364, 590895), (378, 569010), (390, 551502), (405, 531076), (420, 512109), (455, 472716), (468, 459585), (540, 398307), (546, 393930), (567, 379340), (585, 367668), (630, 341406), (702, 306390), (756, 284505), (780, 275751), (810, 265538), (819, 262620), (910, 236358), (945, 227604), (1053, 204260), (1092, 196965), (1134, 189670), (1170, 183834), (1260, 170703), (1365, 157572), (1404, 153195), (1459, 147420), (1620, 132769), (1638, 131310), (1755, 122556), (1820, 118179), (1890, 113802), (2106, 102130), (2268, 94835), (2340, 91917), (2457, 87540), (2730, 78786), (2835, 75868), (2918, 73710), (3276, 65655), (3510, 61278), (3780, 56901), (4095, 52524), (4212, 51065), (4377, 49140), (4914, 43770), (5265, 40852), (5460, 39393), (5670, 37934), (5836, 36855), (7020, 30639), (7295, 29484), (7371, 29180), (8190, 26262), (8754, 24570), (9828, 21885), (10213, 21060), (10530, 20426), (11340, 18967), (12285, 17508), (13131, 16380), (14590, 14742)]