278486520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10501}}^1$

素因数の和:10545

約数の個数: 128

約数和(自身を含む): 952741440

約数和(自身を除く): 674254920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 10501, 13260, 21002, 26520, 31503, 42004, 52505, 63006, 84008, 105010, 126012, 136513, 157515, 178517, 210020, 252024, 273026, 315030, 357034, 409539, 420040, 535551, 546052, 630060, 682565, 714068, 819078, 892585, 1071102, 1092104, 1260120, 1365130, 1428136, 1638156, 1785170, 2047695, 2142204, 2320721, 2677755, 2730260, 3276312, 3570340, 4095390, 4284408, 4641442, 5355510, 5460520, 6962163, 7140680, 8190780, 9282884, 10711020, 11603605, 13924326, 16381560, 18565768, 21422040, 23207210, 27848652, 34810815, 46414420, 55697304, 69621630, 92828840, 139243260, 278486520]

約数ペア:

[(1, 278486520), (2, 139243260), (3, 92828840), (4, 69621630), (5, 55697304), (6, 46414420), (8, 34810815), (10, 27848652), (12, 23207210), (13, 21422040), (15, 18565768), (17, 16381560), (20, 13924326), (24, 11603605), (26, 10711020), (30, 9282884), (34, 8190780), (39, 7140680), (40, 6962163), (51, 5460520), (52, 5355510), (60, 4641442), (65, 4284408), (68, 4095390), (78, 3570340), (85, 3276312), (102, 2730260), (104, 2677755), (120, 2320721), (130, 2142204), (136, 2047695), (156, 1785170), (170, 1638156), (195, 1428136), (204, 1365130), (221, 1260120), (255, 1092104), (260, 1071102), (312, 892585), (340, 819078), (390, 714068), (408, 682565), (442, 630060), (510, 546052), (520, 535551), (663, 420040), (680, 409539), (780, 357034), (884, 315030), (1020, 273026), (1105, 252024), (1326, 210020), (1560, 178517), (1768, 157515), (2040, 136513), (2210, 126012), (2652, 105010), (3315, 84008), (4420, 63006), (5304, 52505), (6630, 42004), (8840, 31503), (10501, 26520), (13260, 21002)]