218585640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 256

約数和(自身を含む): 830430720

約数和(自身を除く): 611845080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 52, 56, 60, 65, 70, 74, 78, 84, 91, 104, 105, 111, 120, 130, 140, 148, 156, 168, 182, 185, 195, 210, 222, 259, 260, 273, 280, 296, 312, 364, 370, 390, 420, 444, 455, 481, 518, 520, 541, 546, 555, 728, 740, 777, 780, 840, 888, 910, 962, 1036, 1082, 1092, 1110, 1295, 1365, 1443, 1480, 1554, 1560, 1623, 1820, 1924, 2072, 2164, 2184, 2220, 2405, 2590, 2705, 2730, 2886, 3108, 3246, 3367, 3640, 3787, 3848, 3885, 4328, 4440, 4810, 5180, 5410, 5460, 5772, 6216, 6492, 6734, 7033, 7215, 7574, 7770, 8115, 9620, 10101, 10360, 10820, 10920, 11361, 11544, 12984, 13468, 14066, 14430, 15148, 15540, 16230, 16835, 18935, 19240, 20017, 20202, 21099, 21640, 22722, 26936, 28132, 28860, 30296, 31080, 32460, 33670, 35165, 37870, 40034, 40404, 42198, 45444, 49231, 50505, 56264, 56805, 57720, 60051, 64920, 67340, 70330, 75740, 80068, 80808, 84396, 90888, 98462, 100085, 101010, 105495, 113610, 120102, 134680, 140119, 140660, 147693, 151480, 160136, 168792, 196924, 200170, 202020, 210990, 227220, 240204, 246155, 260221, 280238, 281320, 295386, 300255, 393848, 400340, 404040, 420357, 421980, 454440, 480408, 492310, 520442, 560476, 590772, 600510, 700595, 738465, 780663, 800680, 840714, 843960, 984620, 1040884, 1120952, 1181544, 1201020, 1301105, 1401190, 1476930, 1561326, 1681428, 1821547, 1969240, 2081768, 2101785, 2402040, 2602210, 2802380, 2953860, 3122652, 3362856, 3643094, 3903315, 4203570, 5204420, 5464641, 5604760, 5907720, 6245304, 7286188, 7806630, 8407140, 9107735, 10408840, 10929282, 14572376, 15613260, 16814280, 18215470, 21858564, 27323205, 31226520, 36430940, 43717128, 54646410, 72861880, 109292820, 218585640]

約数ペア:

[(1, 218585640), (2, 109292820), (3, 72861880), (4, 54646410), (5, 43717128), (6, 36430940), (7, 31226520), (8, 27323205), (10, 21858564), (12, 18215470), (13, 16814280), (14, 15613260), (15, 14572376), (20, 10929282), (21, 10408840), (24, 9107735), (26, 8407140), (28, 7806630), (30, 7286188), (35, 6245304), (37, 5907720), (39, 5604760), (40, 5464641), (42, 5204420), (52, 4203570), (56, 3903315), (60, 3643094), (65, 3362856), (70, 3122652), (74, 2953860), (78, 2802380), (84, 2602210), (91, 2402040), (104, 2101785), (105, 2081768), (111, 1969240), (120, 1821547), (130, 1681428), (140, 1561326), (148, 1476930), (156, 1401190), (168, 1301105), (182, 1201020), (185, 1181544), (195, 1120952), (210, 1040884), (222, 984620), (259, 843960), (260, 840714), (273, 800680), (280, 780663), (296, 738465), (312, 700595), (364, 600510), (370, 590772), (390, 560476), (420, 520442), (444, 492310), (455, 480408), (481, 454440), (518, 421980), (520, 420357), (541, 404040), (546, 400340), (555, 393848), (728, 300255), (740, 295386), (777, 281320), (780, 280238), (840, 260221), (888, 246155), (910, 240204), (962, 227220), (1036, 210990), (1082, 202020), (1092, 200170), (1110, 196924), (1295, 168792), (1365, 160136), (1443, 151480), (1480, 147693), (1554, 140660), (1560, 140119), (1623, 134680), (1820, 120102), (1924, 113610), (2072, 105495), (2164, 101010), (2184, 100085), (2220, 98462), (2405, 90888), (2590, 84396), (2705, 80808), (2730, 80068), (2886, 75740), (3108, 70330), (3246, 67340), (3367, 64920), (3640, 60051), (3787, 57720), (3848, 56805), (3885, 56264), (4328, 50505), (4440, 49231), (4810, 45444), (5180, 42198), (5410, 40404), (5460, 40034), (5772, 37870), (6216, 35165), (6492, 33670), (6734, 32460), (7033, 31080), (7215, 30296), (7574, 28860), (7770, 28132), (8115, 26936), (9620, 22722), (10101, 21640), (10360, 21099), (10820, 20202), (10920, 20017), (11361, 19240), (11544, 18935), (12984, 16835), (13468, 16230), (14066, 15540), (14430, 15148)]