640852740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 288

約数和(自身を含む): 2283240960

約数和(自身を除く): 1642388220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 79, 85, 90, 99, 102, 110, 132, 153, 158, 165, 170, 180, 187, 198, 204, 220, 237, 241, 255, 306, 316, 330, 340, 374, 395, 396, 474, 482, 495, 510, 561, 612, 660, 711, 723, 748, 765, 790, 869, 935, 948, 964, 990, 1020, 1122, 1185, 1205, 1343, 1422, 1446, 1530, 1580, 1683, 1738, 1870, 1980, 2169, 2244, 2370, 2410, 2607, 2651, 2686, 2805, 2844, 2892, 3060, 3366, 3476, 3555, 3615, 3740, 4029, 4097, 4338, 4345, 4740, 4820, 5214, 5302, 5372, 5610, 6715, 6732, 7110, 7230, 7821, 7953, 8058, 8194, 8415, 8676, 8690, 10428, 10604, 10845, 11220, 12087, 12291, 13035, 13255, 13430, 14220, 14460, 14773, 15642, 15906, 16116, 16388, 16830, 17380, 19039, 20145, 20485, 21690, 23859, 24174, 24582, 26070, 26510, 26860, 29546, 31284, 31812, 33660, 36873, 38078, 39105, 39765, 40290, 40970, 43380, 44319, 45067, 47718, 48348, 49164, 52140, 53020, 57117, 59092, 60435, 61455, 73746, 73865, 76156, 78210, 79530, 80580, 81940, 88638, 90134, 95195, 95436, 114234, 119295, 120870, 122910, 132957, 135201, 147492, 147730, 156420, 159060, 171351, 177276, 180268, 184365, 190390, 209429, 221595, 225335, 228468, 238590, 241740, 245820, 265914, 270402, 285585, 295460, 323663, 342702, 368730, 380780, 405603, 418858, 443190, 450670, 477180, 531828, 540804, 571170, 628287, 647326, 664785, 676005, 685404, 737460, 811206, 837716, 856755, 886380, 901340, 970989, 1047145, 1142340, 1256574, 1294652, 1329570, 1352010, 1618315, 1622412, 1713510, 1884861, 1941978, 2028015, 2094290, 2513148, 2659140, 2704020, 2912967, 3141435, 3236630, 3427020, 3560293, 3769722, 3883956, 4056030, 4188580, 4854945, 5825934, 6282870, 6473260, 7120586, 7539444, 8112060, 9424305, 9709890, 10680879, 11651868, 12565740, 14241172, 14564835, 17801465, 18848610, 19419780, 21361758, 29129670, 32042637, 35602930, 37697220, 42723516, 53404395, 58259340, 64085274, 71205860, 106808790, 128170548, 160213185, 213617580, 320426370, 640852740]

約数ペア:

[(1, 640852740), (2, 320426370), (3, 213617580), (4, 160213185), (5, 128170548), (6, 106808790), (9, 71205860), (10, 64085274), (11, 58259340), (12, 53404395), (15, 42723516), (17, 37697220), (18, 35602930), (20, 32042637), (22, 29129670), (30, 21361758), (33, 19419780), (34, 18848610), (36, 17801465), (44, 14564835), (45, 14241172), (51, 12565740), (55, 11651868), (60, 10680879), (66, 9709890), (68, 9424305), (79, 8112060), (85, 7539444), (90, 7120586), (99, 6473260), (102, 6282870), (110, 5825934), (132, 4854945), (153, 4188580), (158, 4056030), (165, 3883956), (170, 3769722), (180, 3560293), (187, 3427020), (198, 3236630), (204, 3141435), (220, 2912967), (237, 2704020), (241, 2659140), (255, 2513148), (306, 2094290), (316, 2028015), (330, 1941978), (340, 1884861), (374, 1713510), (395, 1622412), (396, 1618315), (474, 1352010), (482, 1329570), (495, 1294652), (510, 1256574), (561, 1142340), (612, 1047145), (660, 970989), (711, 901340), (723, 886380), (748, 856755), (765, 837716), (790, 811206), (869, 737460), (935, 685404), (948, 676005), (964, 664785), (990, 647326), (1020, 628287), (1122, 571170), (1185, 540804), (1205, 531828), (1343, 477180), (1422, 450670), (1446, 443190), (1530, 418858), (1580, 405603), (1683, 380780), (1738, 368730), (1870, 342702), (1980, 323663), (2169, 295460), (2244, 285585), (2370, 270402), (2410, 265914), (2607, 245820), (2651, 241740), (2686, 238590), (2805, 228468), (2844, 225335), (2892, 221595), (3060, 209429), (3366, 190390), (3476, 184365), (3555, 180268), (3615, 177276), (3740, 171351), (4029, 159060), (4097, 156420), (4338, 147730), (4345, 147492), (4740, 135201), (4820, 132957), (5214, 122910), (5302, 120870), (5372, 119295), (5610, 114234), (6715, 95436), (6732, 95195), (7110, 90134), (7230, 88638), (7821, 81940), (7953, 80580), (8058, 79530), (8194, 78210), (8415, 76156), (8676, 73865), (8690, 73746), (10428, 61455), (10604, 60435), (10845, 59092), (11220, 57117), (12087, 53020), (12291, 52140), (13035, 49164), (13255, 48348), (13430, 47718), (14220, 45067), (14460, 44319), (14773, 43380), (15642, 40970), (15906, 40290), (16116, 39765), (16388, 39105), (16830, 38078), (17380, 36873), (19039, 33660), (20145, 31812), (20485, 31284), (21690, 29546), (23859, 26860), (24174, 26510), (24582, 26070)]