280276920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10111}}^1$

素因数の和:10146

約数の個数: 192

約数和(自身を含む): 1135779840

約数和(自身を除く): 855502920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 5544, 6930, 9240, 10111, 13860, 20222, 27720, 30333, 40444, 50555, 60666, 70777, 80888, 90999, 101110, 111221, 121332, 141554, 151665, 181998, 202220, 212331, 222442, 242664, 283108, 303330, 333663, 353885, 363996, 404440, 424662, 444884, 454995, 556105, 566216, 606660, 636993, 667326, 707770, 727992, 778547, 849324, 889768, 909990, 1000989, 1061655, 1112210, 1213320, 1273986, 1334652, 1415540, 1557094, 1668315, 1698648, 1819980, 2001978, 2123310, 2224420, 2335641, 2547972, 2669304, 2831080, 3114188, 3184965, 3336630, 3639960, 3892735, 4003956, 4246620, 4448840, 4671282, 5004945, 5095944, 6228376, 6369930, 6673260, 7006923, 7785470, 8007912, 8493240, 9342564, 10009890, 11678205, 12739860, 13346520, 14013846, 15570940, 18685128, 20019780, 23356410, 25479720, 28027692, 31141880, 35034615, 40039560, 46712820, 56055384, 70069230, 93425640, 140138460, 280276920]

約数ペア:

[(1, 280276920), (2, 140138460), (3, 93425640), (4, 70069230), (5, 56055384), (6, 46712820), (7, 40039560), (8, 35034615), (9, 31141880), (10, 28027692), (11, 25479720), (12, 23356410), (14, 20019780), (15, 18685128), (18, 15570940), (20, 14013846), (21, 13346520), (22, 12739860), (24, 11678205), (28, 10009890), (30, 9342564), (33, 8493240), (35, 8007912), (36, 7785470), (40, 7006923), (42, 6673260), (44, 6369930), (45, 6228376), (55, 5095944), (56, 5004945), (60, 4671282), (63, 4448840), (66, 4246620), (70, 4003956), (72, 3892735), (77, 3639960), (84, 3336630), (88, 3184965), (90, 3114188), (99, 2831080), (105, 2669304), (110, 2547972), (120, 2335641), (126, 2224420), (132, 2123310), (140, 2001978), (154, 1819980), (165, 1698648), (168, 1668315), (180, 1557094), (198, 1415540), (210, 1334652), (220, 1273986), (231, 1213320), (252, 1112210), (264, 1061655), (280, 1000989), (308, 909990), (315, 889768), (330, 849324), (360, 778547), (385, 727992), (396, 707770), (420, 667326), (440, 636993), (462, 606660), (495, 566216), (504, 556105), (616, 454995), (630, 444884), (660, 424662), (693, 404440), (770, 363996), (792, 353885), (840, 333663), (924, 303330), (990, 283108), (1155, 242664), (1260, 222442), (1320, 212331), (1386, 202220), (1540, 181998), (1848, 151665), (1980, 141554), (2310, 121332), (2520, 111221), (2772, 101110), (3080, 90999), (3465, 80888), (3960, 70777), (4620, 60666), (5544, 50555), (6930, 40444), (9240, 30333), (10111, 27720), (13860, 20222)]