204935640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 256

約数和(自身を含む): 774144000

約数和(自身を除く): 569208360

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, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 343, 364, 383, 390, 392, 420, 455, 490, 520, 546, 588, 637, 686, 728, 735, 766, 780, 840, 910, 980, 1029, 1092, 1149, 1176, 1274, 1365, 1372, 1470, 1532, 1560, 1715, 1820, 1911, 1915, 1960, 2058, 2184, 2298, 2548, 2681, 2730, 2744, 2940, 3064, 3185, 3430, 3640, 3822, 3830, 4116, 4459, 4596, 4979, 5096, 5145, 5362, 5460, 5745, 5880, 6370, 6860, 7644, 7660, 8043, 8232, 8918, 9192, 9555, 9958, 10290, 10724, 10920, 11490, 12740, 13377, 13405, 13720, 14937, 15288, 15320, 16086, 17836, 18767, 19110, 19916, 20580, 21448, 22295, 22980, 24895, 25480, 26754, 26810, 29874, 32172, 34853, 35672, 37534, 38220, 39832, 40215, 41160, 44590, 45960, 49790, 53508, 53620, 56301, 59748, 64344, 66885, 69706, 74685, 75068, 76440, 80430, 89180, 93835, 99580, 104559, 107016, 107240, 112602, 119496, 131369, 133770, 139412, 149370, 150136, 160860, 174265, 178360, 187670, 199160, 209118, 225204, 243971, 262738, 267540, 278824, 281505, 298740, 321720, 348530, 375340, 394107, 418236, 450408, 487942, 522795, 525476, 535080, 563010, 597480, 656845, 697060, 731913, 750680, 788214, 836472, 975884, 1045590, 1050952, 1126020, 1219855, 1313690, 1394120, 1463826, 1576428, 1707797, 1951768, 1970535, 2091180, 2252040, 2439710, 2627380, 2927652, 3152856, 3415594, 3659565, 3941070, 4182360, 4879420, 5123391, 5254760, 5855304, 6831188, 7319130, 7882140, 8538985, 9758840, 10246782, 13662376, 14638260, 15764280, 17077970, 20493564, 25616955, 29276520, 34155940, 40987128, 51233910, 68311880, 102467820, 204935640]

約数ペア:

[(1, 204935640), (2, 102467820), (3, 68311880), (4, 51233910), (5, 40987128), (6, 34155940), (7, 29276520), (8, 25616955), (10, 20493564), (12, 17077970), (13, 15764280), (14, 14638260), (15, 13662376), (20, 10246782), (21, 9758840), (24, 8538985), (26, 7882140), (28, 7319130), (30, 6831188), (35, 5855304), (39, 5254760), (40, 5123391), (42, 4879420), (49, 4182360), (52, 3941070), (56, 3659565), (60, 3415594), (65, 3152856), (70, 2927652), (78, 2627380), (84, 2439710), (91, 2252040), (98, 2091180), (104, 1970535), (105, 1951768), (120, 1707797), (130, 1576428), (140, 1463826), (147, 1394120), (156, 1313690), (168, 1219855), (182, 1126020), (195, 1050952), (196, 1045590), (210, 975884), (245, 836472), (260, 788214), (273, 750680), (280, 731913), (294, 697060), (312, 656845), (343, 597480), (364, 563010), (383, 535080), (390, 525476), (392, 522795), (420, 487942), (455, 450408), (490, 418236), (520, 394107), (546, 375340), (588, 348530), (637, 321720), (686, 298740), (728, 281505), (735, 278824), (766, 267540), (780, 262738), (840, 243971), (910, 225204), (980, 209118), (1029, 199160), (1092, 187670), (1149, 178360), (1176, 174265), (1274, 160860), (1365, 150136), (1372, 149370), (1470, 139412), (1532, 133770), (1560, 131369), (1715, 119496), (1820, 112602), (1911, 107240), (1915, 107016), (1960, 104559), (2058, 99580), (2184, 93835), (2298, 89180), (2548, 80430), (2681, 76440), (2730, 75068), (2744, 74685), (2940, 69706), (3064, 66885), (3185, 64344), (3430, 59748), (3640, 56301), (3822, 53620), (3830, 53508), (4116, 49790), (4459, 45960), (4596, 44590), (4979, 41160), (5096, 40215), (5145, 39832), (5362, 38220), (5460, 37534), (5745, 35672), (5880, 34853), (6370, 32172), (6860, 29874), (7644, 26810), (7660, 26754), (8043, 25480), (8232, 24895), (8918, 22980), (9192, 22295), (9555, 21448), (9958, 20580), (10290, 19916), (10724, 19110), (10920, 18767), (11490, 17836), (12740, 16086), (13377, 15320), (13405, 15288), (13720, 14937)]