320286420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 1106058240

約数和(自身を除く): 785771820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 53, 54, 57, 60, 62, 76, 90, 93, 95, 106, 108, 114, 124, 135, 155, 159, 171, 180, 186, 190, 212, 228, 265, 270, 279, 285, 310, 318, 342, 361, 372, 380, 465, 477, 513, 530, 540, 558, 570, 589, 620, 636, 684, 722, 795, 837, 855, 930, 954, 1007, 1026, 1060, 1083, 1116, 1140, 1178, 1395, 1431, 1444, 1590, 1643, 1674, 1710, 1767, 1805, 1860, 1908, 2014, 2052, 2166, 2356, 2385, 2565, 2790, 2862, 2945, 3021, 3180, 3249, 3286, 3348, 3420, 3534, 3610, 4028, 4185, 4332, 4770, 4929, 5035, 5130, 5301, 5415, 5580, 5724, 5890, 6042, 6498, 6572, 7068, 7155, 7220, 8215, 8370, 8835, 9063, 9540, 9747, 9858, 10070, 10260, 10602, 10830, 11191, 11780, 12084, 12996, 14310, 14787, 15105, 15903, 16245, 16430, 16740, 17670, 18126, 19133, 19494, 19716, 20140, 21204, 21660, 22382, 24645, 26505, 27189, 28620, 29574, 30210, 31217, 31806, 32490, 32860, 33573, 35340, 36252, 38266, 38988, 44361, 44764, 45315, 48735, 49290, 53010, 54378, 55955, 57399, 59148, 60420, 62434, 63612, 64980, 67146, 73935, 76532, 79515, 88722, 90630, 93651, 95665, 97470, 98580, 100719, 106020, 108756, 111910, 114798, 124868, 134292, 135945, 147870, 156085, 159030, 167865, 172197, 177444, 181260, 187302, 191330, 194940, 201438, 221805, 223820, 229596, 271890, 280953, 286995, 295740, 302157, 312170, 318060, 335730, 344394, 374604, 382660, 402876, 443610, 468255, 503595, 516591, 543780, 561906, 573990, 593123, 604314, 624340, 671460, 688788, 842859, 860985, 887220, 936510, 1007190, 1033182, 1123812, 1147980, 1186246, 1208628, 1404765, 1510785, 1685718, 1721970, 1779369, 1873020, 2014380, 2066364, 2372492, 2582955, 2809530, 2965615, 3021570, 3371436, 3443940, 3558738, 4214295, 5165910, 5338107, 5619060, 5931230, 6043140, 7117476, 8428590, 8896845, 10331820, 10676214, 11862460, 16014321, 16857180, 17793690, 21352428, 26690535, 32028642, 35587380, 53381070, 64057284, 80071605, 106762140, 160143210, 320286420]

約数ペア:

[(1, 320286420), (2, 160143210), (3, 106762140), (4, 80071605), (5, 64057284), (6, 53381070), (9, 35587380), (10, 32028642), (12, 26690535), (15, 21352428), (18, 17793690), (19, 16857180), (20, 16014321), (27, 11862460), (30, 10676214), (31, 10331820), (36, 8896845), (38, 8428590), (45, 7117476), (53, 6043140), (54, 5931230), (57, 5619060), (60, 5338107), (62, 5165910), (76, 4214295), (90, 3558738), (93, 3443940), (95, 3371436), (106, 3021570), (108, 2965615), (114, 2809530), (124, 2582955), (135, 2372492), (155, 2066364), (159, 2014380), (171, 1873020), (180, 1779369), (186, 1721970), (190, 1685718), (212, 1510785), (228, 1404765), (265, 1208628), (270, 1186246), (279, 1147980), (285, 1123812), (310, 1033182), (318, 1007190), (342, 936510), (361, 887220), (372, 860985), (380, 842859), (465, 688788), (477, 671460), (513, 624340), (530, 604314), (540, 593123), (558, 573990), (570, 561906), (589, 543780), (620, 516591), (636, 503595), (684, 468255), (722, 443610), (795, 402876), (837, 382660), (855, 374604), (930, 344394), (954, 335730), (1007, 318060), (1026, 312170), (1060, 302157), (1083, 295740), (1116, 286995), (1140, 280953), (1178, 271890), (1395, 229596), (1431, 223820), (1444, 221805), (1590, 201438), (1643, 194940), (1674, 191330), (1710, 187302), (1767, 181260), (1805, 177444), (1860, 172197), (1908, 167865), (2014, 159030), (2052, 156085), (2166, 147870), (2356, 135945), (2385, 134292), (2565, 124868), (2790, 114798), (2862, 111910), (2945, 108756), (3021, 106020), (3180, 100719), (3249, 98580), (3286, 97470), (3348, 95665), (3420, 93651), (3534, 90630), (3610, 88722), (4028, 79515), (4185, 76532), (4332, 73935), (4770, 67146), (4929, 64980), (5035, 63612), (5130, 62434), (5301, 60420), (5415, 59148), (5580, 57399), (5724, 55955), (5890, 54378), (6042, 53010), (6498, 49290), (6572, 48735), (7068, 45315), (7155, 44764), (7220, 44361), (8215, 38988), (8370, 38266), (8835, 36252), (9063, 35340), (9540, 33573), (9747, 32860), (9858, 32490), (10070, 31806), (10260, 31217), (10602, 30210), (10830, 29574), (11191, 28620), (11780, 27189), (12084, 26505), (12996, 24645), (14310, 22382), (14787, 21660), (15105, 21204), (15903, 20140), (16245, 19716), (16430, 19494), (16740, 19133), (17670, 18126)]