1816710840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 288

約数和(自身を含む): 7125187680

約数和(自身を除く): 5308476840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 361, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 722, 760, 798, 840, 855, 1064, 1083, 1140, 1197, 1260, 1330, 1368, 1444, 1596, 1710, 1805, 1995, 1997, 2166, 2280, 2394, 2520, 2527, 2660, 2888, 3192, 3249, 3420, 3610, 3990, 3994, 4332, 4788, 5054, 5320, 5415, 5985, 5991, 6498, 6840, 7220, 7581, 7980, 7988, 8664, 9576, 9985, 10108, 10830, 11970, 11982, 12635, 12996, 13979, 14440, 15162, 15960, 15976, 16245, 17973, 19970, 20216, 21660, 22743, 23940, 23964, 25270, 25992, 27958, 29955, 30324, 32490, 35946, 37905, 37943, 39940, 41937, 43320, 45486, 47880, 47928, 50540, 55916, 59910, 60648, 64980, 69895, 71892, 75810, 75886, 79880, 83874, 89865, 90972, 101080, 111832, 113715, 113829, 119820, 125811, 129960, 139790, 143784, 151620, 151772, 167748, 179730, 181944, 189715, 209685, 227430, 227658, 239640, 251622, 265601, 279580, 303240, 303544, 335496, 341487, 359460, 379430, 419370, 454860, 455316, 503244, 531202, 559160, 569145, 629055, 682974, 718920, 720917, 758860, 796803, 838740, 909720, 910632, 1006488, 1062404, 1138290, 1258110, 1328005, 1365948, 1441834, 1517720, 1593606, 1677480, 1707435, 2124808, 2162751, 2276580, 2390409, 2516220, 2656010, 2731896, 2883668, 3187212, 3414870, 3604585, 3984015, 4325502, 4553160, 4780818, 5032440, 5046419, 5312020, 5767336, 6374424, 6488253, 6829740, 7209170, 7968030, 8651004, 9561636, 10092838, 10624040, 10813755, 11952045, 12976506, 13659480, 14418340, 15139257, 15936060, 17302008, 19123272, 20185676, 21627510, 23904090, 25232095, 25953012, 28836680, 30278514, 31872120, 32441265, 40371352, 43255020, 45417771, 47808180, 50464190, 51906024, 60557028, 64882530, 75696285, 86510040, 90835542, 95616360, 100928380, 121114056, 129765060, 151392570, 181671084, 201856760, 227088855, 259530120, 302785140, 363342168, 454177710, 605570280, 908355420, 1816710840]

約数ペア:

[(1, 1816710840), (2, 908355420), (3, 605570280), (4, 454177710), (5, 363342168), (6, 302785140), (7, 259530120), (8, 227088855), (9, 201856760), (10, 181671084), (12, 151392570), (14, 129765060), (15, 121114056), (18, 100928380), (19, 95616360), (20, 90835542), (21, 86510040), (24, 75696285), (28, 64882530), (30, 60557028), (35, 51906024), (36, 50464190), (38, 47808180), (40, 45417771), (42, 43255020), (45, 40371352), (56, 32441265), (57, 31872120), (60, 30278514), (63, 28836680), (70, 25953012), (72, 25232095), (76, 23904090), (84, 21627510), (90, 20185676), (95, 19123272), (105, 17302008), (114, 15936060), (120, 15139257), (126, 14418340), (133, 13659480), (140, 12976506), (152, 11952045), (168, 10813755), (171, 10624040), (180, 10092838), (190, 9561636), (210, 8651004), (228, 7968030), (252, 7209170), (266, 6829740), (280, 6488253), (285, 6374424), (315, 5767336), (342, 5312020), (360, 5046419), (361, 5032440), (380, 4780818), (399, 4553160), (420, 4325502), (456, 3984015), (504, 3604585), (532, 3414870), (570, 3187212), (630, 2883668), (665, 2731896), (684, 2656010), (722, 2516220), (760, 2390409), (798, 2276580), (840, 2162751), (855, 2124808), (1064, 1707435), (1083, 1677480), (1140, 1593606), (1197, 1517720), (1260, 1441834), (1330, 1365948), (1368, 1328005), (1444, 1258110), (1596, 1138290), (1710, 1062404), (1805, 1006488), (1995, 910632), (1997, 909720), (2166, 838740), (2280, 796803), (2394, 758860), (2520, 720917), (2527, 718920), (2660, 682974), (2888, 629055), (3192, 569145), (3249, 559160), (3420, 531202), (3610, 503244), (3990, 455316), (3994, 454860), (4332, 419370), (4788, 379430), (5054, 359460), (5320, 341487), (5415, 335496), (5985, 303544), (5991, 303240), (6498, 279580), (6840, 265601), (7220, 251622), (7581, 239640), (7980, 227658), (7988, 227430), (8664, 209685), (9576, 189715), (9985, 181944), (10108, 179730), (10830, 167748), (11970, 151772), (11982, 151620), (12635, 143784), (12996, 139790), (13979, 129960), (14440, 125811), (15162, 119820), (15960, 113829), (15976, 113715), (16245, 111832), (17973, 101080), (19970, 90972), (20216, 89865), (21660, 83874), (22743, 79880), (23940, 75886), (23964, 75810), (25270, 71892), (25992, 69895), (27958, 64980), (29955, 60648), (30324, 59910), (32490, 55916), (35946, 50540), (37905, 47928), (37943, 47880), (39940, 45486), (41937, 43320)]