420475320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 256

約数和(自身を含む): 1525248000

約数和(自身を除く): 1104772680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 228, 248, 270, 279, 285, 310, 342, 360, 372, 380, 456, 465, 513, 540, 558, 570, 589, 620, 661, 684, 744, 760, 837, 855, 930, 1026, 1080, 1116, 1140, 1178, 1240, 1322, 1368, 1395, 1674, 1710, 1767, 1860, 1983, 2052, 2232, 2280, 2356, 2565, 2644, 2790, 2945, 3305, 3348, 3420, 3534, 3720, 3966, 4104, 4185, 4712, 5130, 5288, 5301, 5580, 5890, 5949, 6610, 6696, 6840, 7068, 7932, 8370, 8835, 9915, 10260, 10602, 11160, 11780, 11898, 12559, 13220, 14136, 15864, 15903, 16740, 17670, 17847, 19830, 20491, 20520, 21204, 23560, 23796, 25118, 26440, 26505, 29745, 31806, 33480, 35340, 35694, 37677, 39660, 40982, 42408, 47592, 50236, 53010, 59490, 61473, 62795, 63612, 70680, 71388, 75354, 79320, 79515, 81964, 89235, 100472, 102455, 106020, 113031, 118980, 122946, 125590, 127224, 142776, 150708, 159030, 163928, 178470, 184419, 188385, 204910, 212040, 226062, 237960, 245892, 251180, 301416, 307365, 318060, 339093, 356940, 368838, 376770, 389329, 409820, 452124, 491784, 502360, 553257, 565155, 614730, 636120, 678186, 713880, 737676, 753540, 778658, 819640, 904248, 922095, 1106514, 1130310, 1167987, 1229460, 1356372, 1475352, 1507080, 1557316, 1695465, 1844190, 1946645, 2213028, 2260620, 2335974, 2458920, 2712744, 2766285, 3114632, 3390930, 3503961, 3688380, 3893290, 4426056, 4521240, 4671948, 5532570, 5839935, 6781860, 7007922, 7376760, 7786580, 9343896, 10511883, 11065140, 11679870, 13563720, 14015844, 15573160, 17519805, 21023766, 22130280, 23359740, 28031688, 35039610, 42047532, 46719480, 52559415, 70079220, 84095064, 105118830, 140158440, 210237660, 420475320]

約数ペア:

[(1, 420475320), (2, 210237660), (3, 140158440), (4, 105118830), (5, 84095064), (6, 70079220), (8, 52559415), (9, 46719480), (10, 42047532), (12, 35039610), (15, 28031688), (18, 23359740), (19, 22130280), (20, 21023766), (24, 17519805), (27, 15573160), (30, 14015844), (31, 13563720), (36, 11679870), (38, 11065140), (40, 10511883), (45, 9343896), (54, 7786580), (57, 7376760), (60, 7007922), (62, 6781860), (72, 5839935), (76, 5532570), (90, 4671948), (93, 4521240), (95, 4426056), (108, 3893290), (114, 3688380), (120, 3503961), (124, 3390930), (135, 3114632), (152, 2766285), (155, 2712744), (171, 2458920), (180, 2335974), (186, 2260620), (190, 2213028), (216, 1946645), (228, 1844190), (248, 1695465), (270, 1557316), (279, 1507080), (285, 1475352), (310, 1356372), (342, 1229460), (360, 1167987), (372, 1130310), (380, 1106514), (456, 922095), (465, 904248), (513, 819640), (540, 778658), (558, 753540), (570, 737676), (589, 713880), (620, 678186), (661, 636120), (684, 614730), (744, 565155), (760, 553257), (837, 502360), (855, 491784), (930, 452124), (1026, 409820), (1080, 389329), (1116, 376770), (1140, 368838), (1178, 356940), (1240, 339093), (1322, 318060), (1368, 307365), (1395, 301416), (1674, 251180), (1710, 245892), (1767, 237960), (1860, 226062), (1983, 212040), (2052, 204910), (2232, 188385), (2280, 184419), (2356, 178470), (2565, 163928), (2644, 159030), (2790, 150708), (2945, 142776), (3305, 127224), (3348, 125590), (3420, 122946), (3534, 118980), (3720, 113031), (3966, 106020), (4104, 102455), (4185, 100472), (4712, 89235), (5130, 81964), (5288, 79515), (5301, 79320), (5580, 75354), (5890, 71388), (5949, 70680), (6610, 63612), (6696, 62795), (6840, 61473), (7068, 59490), (7932, 53010), (8370, 50236), (8835, 47592), (9915, 42408), (10260, 40982), (10602, 39660), (11160, 37677), (11780, 35694), (11898, 35340), (12559, 33480), (13220, 31806), (14136, 29745), (15864, 26505), (15903, 26440), (16740, 25118), (17670, 23796), (17847, 23560), (19830, 21204), (20491, 20520)]