1281567360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29021}}^1$

素因数の和:29066

約数の個数: 128

約数和(自身を含む): 4262751360

約数和(自身を除く): 2981184000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 4416, 5520, 7360, 8832, 11040, 14720, 22080, 29021, 44160, 58042, 87063, 116084, 145105, 174126, 232168, 290210, 348252, 435315, 464336, 580420, 667483, 696504, 870630, 928672, 1160840, 1334966, 1393008, 1741260, 1857344, 2002449, 2321680, 2669932, 2786016, 3337415, 3482520, 3714688, 4004898, 4643360, 5339864, 5572032, 6674830, 6965040, 8009796, 9286720, 10012245, 10679728, 11144064, 13349660, 13930080, 16019592, 18573440, 20024490, 21359456, 26699320, 27860160, 32039184, 40048980, 42718912, 53398640, 55720320, 64078368, 80097960, 85437824, 106797280, 128156736, 160195920, 213594560, 256313472, 320391840, 427189120, 640783680, 1281567360]

約数ペア:

[(1, 1281567360), (2, 640783680), (3, 427189120), (4, 320391840), (5, 256313472), (6, 213594560), (8, 160195920), (10, 128156736), (12, 106797280), (15, 85437824), (16, 80097960), (20, 64078368), (23, 55720320), (24, 53398640), (30, 42718912), (32, 40048980), (40, 32039184), (46, 27860160), (48, 26699320), (60, 21359456), (64, 20024490), (69, 18573440), (80, 16019592), (92, 13930080), (96, 13349660), (115, 11144064), (120, 10679728), (128, 10012245), (138, 9286720), (160, 8009796), (184, 6965040), (192, 6674830), (230, 5572032), (240, 5339864), (276, 4643360), (320, 4004898), (345, 3714688), (368, 3482520), (384, 3337415), (460, 2786016), (480, 2669932), (552, 2321680), (640, 2002449), (690, 1857344), (736, 1741260), (920, 1393008), (960, 1334966), (1104, 1160840), (1380, 928672), (1472, 870630), (1840, 696504), (1920, 667483), (2208, 580420), (2760, 464336), (2944, 435315), (3680, 348252), (4416, 290210), (5520, 232168), (7360, 174126), (8832, 145105), (11040, 116084), (14720, 87063), (22080, 58042), (29021, 44160)]