309831480

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:768

約数の個数: 320

約数和(自身を含む): 1254528000

約数和(自身を除く): 944696520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 81, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 162, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 324, 342, 360, 378, 380, 399, 405, 420, 456, 504, 513, 532, 540, 567, 570, 630, 648, 665, 684, 719, 756, 760, 798, 810, 840, 855, 945, 1026, 1064, 1080, 1134, 1140, 1197, 1260, 1330, 1368, 1438, 1512, 1539, 1596, 1620, 1710, 1890, 1995, 2052, 2157, 2268, 2280, 2394, 2520, 2565, 2660, 2835, 2876, 3078, 3192, 3240, 3420, 3591, 3595, 3780, 3990, 4104, 4314, 4536, 4788, 5033, 5130, 5320, 5670, 5752, 5985, 6156, 6471, 6840, 7182, 7190, 7560, 7695, 7980, 8628, 9576, 10066, 10260, 10773, 10785, 11340, 11970, 12312, 12942, 13661, 14364, 14380, 15099, 15390, 15960, 17256, 17955, 19413, 20132, 20520, 21546, 21570, 22680, 23940, 25165, 25884, 27322, 28728, 28760, 30198, 30780, 32355, 35910, 38826, 40264, 40983, 43092, 43140, 45297, 47880, 50330, 51768, 53865, 54644, 58239, 60396, 61560, 64710, 68305, 71820, 75495, 77652, 81966, 86184, 86280, 90594, 95627, 97065, 100660, 107730, 109288, 116478, 120792, 122949, 129420, 135891, 136610, 143640, 150990, 155304, 163932, 181188, 191254, 194130, 201320, 204915, 215460, 226485, 232956, 245898, 258840, 271782, 273220, 286881, 291195, 301980, 327864, 362376, 368847, 382508, 388260, 407673, 409830, 430920, 452970, 465912, 478135, 491796, 543564, 546440, 573762, 582390, 603960, 614745, 679455, 737694, 765016, 776520, 815346, 819660, 860643, 905940, 956270, 983592, 1087128, 1106541, 1147524, 1164780, 1229490, 1358910, 1434405, 1475388, 1630692, 1639320, 1721286, 1811880, 1844235, 1912540, 2038365, 2213082, 2295048, 2329560, 2458980, 2581929, 2717820, 2868810, 2950776, 3261384, 3442572, 3688470, 3825080, 4076730, 4303215, 4426164, 4917960, 5163858, 5435640, 5532705, 5737620, 6885144, 7376940, 7745787, 8153460, 8606430, 8852328, 10327716, 11065410, 11475240, 12909645, 14753880, 15491574, 16306920, 17212860, 20655432, 22130820, 25819290, 30983148, 34425720, 38728935, 44261640, 51638580, 61966296, 77457870, 103277160, 154915740, 309831480]

約数ペア:

[(1, 309831480), (2, 154915740), (3, 103277160), (4, 77457870), (5, 61966296), (6, 51638580), (7, 44261640), (8, 38728935), (9, 34425720), (10, 30983148), (12, 25819290), (14, 22130820), (15, 20655432), (18, 17212860), (19, 16306920), (20, 15491574), (21, 14753880), (24, 12909645), (27, 11475240), (28, 11065410), (30, 10327716), (35, 8852328), (36, 8606430), (38, 8153460), (40, 7745787), (42, 7376940), (45, 6885144), (54, 5737620), (56, 5532705), (57, 5435640), (60, 5163858), (63, 4917960), (70, 4426164), (72, 4303215), (76, 4076730), (81, 3825080), (84, 3688470), (90, 3442572), (95, 3261384), (105, 2950776), (108, 2868810), (114, 2717820), (120, 2581929), (126, 2458980), (133, 2329560), (135, 2295048), (140, 2213082), (152, 2038365), (162, 1912540), (168, 1844235), (171, 1811880), (180, 1721286), (189, 1639320), (190, 1630692), (210, 1475388), (216, 1434405), (228, 1358910), (252, 1229490), (266, 1164780), (270, 1147524), (280, 1106541), (285, 1087128), (315, 983592), (324, 956270), (342, 905940), (360, 860643), (378, 819660), (380, 815346), (399, 776520), (405, 765016), (420, 737694), (456, 679455), (504, 614745), (513, 603960), (532, 582390), (540, 573762), (567, 546440), (570, 543564), (630, 491796), (648, 478135), (665, 465912), (684, 452970), (719, 430920), (756, 409830), (760, 407673), (798, 388260), (810, 382508), (840, 368847), (855, 362376), (945, 327864), (1026, 301980), (1064, 291195), (1080, 286881), (1134, 273220), (1140, 271782), (1197, 258840), (1260, 245898), (1330, 232956), (1368, 226485), (1438, 215460), (1512, 204915), (1539, 201320), (1596, 194130), (1620, 191254), (1710, 181188), (1890, 163932), (1995, 155304), (2052, 150990), (2157, 143640), (2268, 136610), (2280, 135891), (2394, 129420), (2520, 122949), (2565, 120792), (2660, 116478), (2835, 109288), (2876, 107730), (3078, 100660), (3192, 97065), (3240, 95627), (3420, 90594), (3591, 86280), (3595, 86184), (3780, 81966), (3990, 77652), (4104, 75495), (4314, 71820), (4536, 68305), (4788, 64710), (5033, 61560), (5130, 60396), (5320, 58239), (5670, 54644), (5752, 53865), (5985, 51768), (6156, 50330), (6471, 47880), (6840, 45297), (7182, 43140), (7190, 43092), (7560, 40983), (7695, 40264), (7980, 38826), (8628, 35910), (9576, 32355), (10066, 30780), (10260, 30198), (10773, 28760), (10785, 28728), (11340, 27322), (11970, 25884), (12312, 25165), (12942, 23940), (13661, 22680), (14364, 21570), (14380, 21546), (15099, 20520), (15390, 20132), (15960, 19413), (17256, 17955)]