280316880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 240

約数和(自身を含む): 1024458240

約数和(自身を除く): 744141360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 661, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1240, 1322, 1368, 1395, 1488, 1520, 1710, 1767, 1860, 1983, 2232, 2280, 2356, 2480, 2644, 2736, 2790, 2945, 3305, 3420, 3534, 3720, 3966, 4464, 4560, 4712, 5288, 5301, 5580, 5890, 5949, 6610, 6840, 7068, 7440, 7932, 8835, 9424, 9915, 10576, 10602, 11160, 11780, 11898, 12559, 13220, 13680, 14136, 15864, 17670, 19830, 20491, 21204, 22320, 23560, 23796, 25118, 26440, 26505, 28272, 29745, 31728, 35340, 37677, 39660, 40982, 42408, 47120, 47592, 50236, 52880, 53010, 59490, 61473, 62795, 70680, 75354, 79320, 81964, 84816, 95184, 100472, 102455, 106020, 113031, 118980, 122946, 125590, 141360, 150708, 158640, 163928, 184419, 188385, 200944, 204910, 212040, 226062, 237960, 245892, 251180, 301416, 307365, 327856, 368838, 376770, 389329, 409820, 424080, 452124, 475920, 491784, 502360, 565155, 602832, 614730, 737676, 753540, 778658, 819640, 904248, 922095, 983568, 1004720, 1130310, 1167987, 1229460, 1475352, 1507080, 1557316, 1639280, 1808496, 1844190, 1946645, 2260620, 2335974, 2458920, 2950704, 3014160, 3114632, 3503961, 3688380, 3893290, 4521240, 4671948, 4917840, 5839935, 6229264, 7007922, 7376760, 7786580, 9042480, 9343896, 11679870, 14015844, 14753520, 15573160, 17519805, 18687792, 23359740, 28031688, 31146320, 35039610, 46719480, 56063376, 70079220, 93438960, 140158440, 280316880]

約数ペア:

[(1, 280316880), (2, 140158440), (3, 93438960), (4, 70079220), (5, 56063376), (6, 46719480), (8, 35039610), (9, 31146320), (10, 28031688), (12, 23359740), (15, 18687792), (16, 17519805), (18, 15573160), (19, 14753520), (20, 14015844), (24, 11679870), (30, 9343896), (31, 9042480), (36, 7786580), (38, 7376760), (40, 7007922), (45, 6229264), (48, 5839935), (57, 4917840), (60, 4671948), (62, 4521240), (72, 3893290), (76, 3688380), (80, 3503961), (90, 3114632), (93, 3014160), (95, 2950704), (114, 2458920), (120, 2335974), (124, 2260620), (144, 1946645), (152, 1844190), (155, 1808496), (171, 1639280), (180, 1557316), (186, 1507080), (190, 1475352), (228, 1229460), (240, 1167987), (248, 1130310), (279, 1004720), (285, 983568), (304, 922095), (310, 904248), (342, 819640), (360, 778658), (372, 753540), (380, 737676), (456, 614730), (465, 602832), (496, 565155), (558, 502360), (570, 491784), (589, 475920), (620, 452124), (661, 424080), (684, 409820), (720, 389329), (744, 376770), (760, 368838), (855, 327856), (912, 307365), (930, 301416), (1116, 251180), (1140, 245892), (1178, 237960), (1240, 226062), (1322, 212040), (1368, 204910), (1395, 200944), (1488, 188385), (1520, 184419), (1710, 163928), (1767, 158640), (1860, 150708), (1983, 141360), (2232, 125590), (2280, 122946), (2356, 118980), (2480, 113031), (2644, 106020), (2736, 102455), (2790, 100472), (2945, 95184), (3305, 84816), (3420, 81964), (3534, 79320), (3720, 75354), (3966, 70680), (4464, 62795), (4560, 61473), (4712, 59490), (5288, 53010), (5301, 52880), (5580, 50236), (5890, 47592), (5949, 47120), (6610, 42408), (6840, 40982), (7068, 39660), (7440, 37677), (7932, 35340), (8835, 31728), (9424, 29745), (9915, 28272), (10576, 26505), (10602, 26440), (11160, 25118), (11780, 23796), (11898, 23560), (12559, 22320), (13220, 21204), (13680, 20491), (14136, 19830), (15864, 17670)]