256440600

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 288

約数和(自身を含む): 959871600

約数和(自身を除く): 703431000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 90, 100, 104, 108, 117, 120, 130, 135, 150, 156, 169, 180, 195, 200, 216, 225, 234, 260, 270, 281, 300, 312, 325, 338, 351, 360, 390, 450, 468, 507, 520, 540, 562, 585, 600, 650, 675, 676, 702, 780, 843, 845, 900, 936, 975, 1014, 1080, 1124, 1170, 1300, 1350, 1352, 1404, 1405, 1521, 1560, 1686, 1690, 1755, 1800, 1950, 2028, 2248, 2340, 2529, 2535, 2600, 2700, 2808, 2810, 2925, 3042, 3372, 3380, 3510, 3653, 3900, 4056, 4215, 4225, 4563, 4680, 5058, 5070, 5400, 5620, 5850, 6084, 6744, 6760, 7020, 7025, 7306, 7587, 7605, 7800, 8430, 8450, 8775, 9126, 10116, 10140, 10959, 11240, 11700, 12168, 12645, 12675, 14040, 14050, 14612, 15174, 15210, 16860, 16900, 17550, 18252, 18265, 20232, 20280, 21075, 21918, 22815, 23400, 25290, 25350, 28100, 29224, 30348, 30420, 32877, 33720, 33800, 35100, 36504, 36530, 37935, 38025, 42150, 43836, 45630, 47489, 50580, 50700, 54795, 56200, 60696, 60840, 63225, 65754, 70200, 73060, 75870, 76050, 84300, 87672, 91260, 91325, 94978, 98631, 101160, 101400, 109590, 114075, 126450, 131508, 142467, 146120, 151740, 152100, 164385, 168600, 182520, 182650, 189675, 189956, 197262, 219180, 228150, 237445, 252900, 263016, 273975, 284934, 303480, 304200, 328770, 365300, 379350, 379912, 394524, 427401, 438360, 456300, 474890, 493155, 505800, 547950, 569868, 657540, 712335, 730600, 758700, 789048, 821925, 854802, 912600, 949780, 986310, 1095900, 1139736, 1187225, 1282203, 1315080, 1424670, 1517400, 1643850, 1709604, 1899560, 1972620, 2137005, 2191800, 2374450, 2465775, 2564406, 2849340, 3287700, 3419208, 3561675, 3945240, 4274010, 4748900, 4931550, 5128812, 5698680, 6411015, 6575400, 7123350, 8548020, 9497800, 9863100, 10257624, 10685025, 12822030, 14246700, 17096040, 19726200, 21370050, 25644060, 28493400, 32055075, 42740100, 51288120, 64110150, 85480200, 128220300, 256440600]

約数ペア:

[(1, 256440600), (2, 128220300), (3, 85480200), (4, 64110150), (5, 51288120), (6, 42740100), (8, 32055075), (9, 28493400), (10, 25644060), (12, 21370050), (13, 19726200), (15, 17096040), (18, 14246700), (20, 12822030), (24, 10685025), (25, 10257624), (26, 9863100), (27, 9497800), (30, 8548020), (36, 7123350), (39, 6575400), (40, 6411015), (45, 5698680), (50, 5128812), (52, 4931550), (54, 4748900), (60, 4274010), (65, 3945240), (72, 3561675), (75, 3419208), (78, 3287700), (90, 2849340), (100, 2564406), (104, 2465775), (108, 2374450), (117, 2191800), (120, 2137005), (130, 1972620), (135, 1899560), (150, 1709604), (156, 1643850), (169, 1517400), (180, 1424670), (195, 1315080), (200, 1282203), (216, 1187225), (225, 1139736), (234, 1095900), (260, 986310), (270, 949780), (281, 912600), (300, 854802), (312, 821925), (325, 789048), (338, 758700), (351, 730600), (360, 712335), (390, 657540), (450, 569868), (468, 547950), (507, 505800), (520, 493155), (540, 474890), (562, 456300), (585, 438360), (600, 427401), (650, 394524), (675, 379912), (676, 379350), (702, 365300), (780, 328770), (843, 304200), (845, 303480), (900, 284934), (936, 273975), (975, 263016), (1014, 252900), (1080, 237445), (1124, 228150), (1170, 219180), (1300, 197262), (1350, 189956), (1352, 189675), (1404, 182650), (1405, 182520), (1521, 168600), (1560, 164385), (1686, 152100), (1690, 151740), (1755, 146120), (1800, 142467), (1950, 131508), (2028, 126450), (2248, 114075), (2340, 109590), (2529, 101400), (2535, 101160), (2600, 98631), (2700, 94978), (2808, 91325), (2810, 91260), (2925, 87672), (3042, 84300), (3372, 76050), (3380, 75870), (3510, 73060), (3653, 70200), (3900, 65754), (4056, 63225), (4215, 60840), (4225, 60696), (4563, 56200), (4680, 54795), (5058, 50700), (5070, 50580), (5400, 47489), (5620, 45630), (5850, 43836), (6084, 42150), (6744, 38025), (6760, 37935), (7020, 36530), (7025, 36504), (7306, 35100), (7587, 33800), (7605, 33720), (7800, 32877), (8430, 30420), (8450, 30348), (8775, 29224), (9126, 28100), (10116, 25350), (10140, 25290), (10959, 23400), (11240, 22815), (11700, 21918), (12168, 21075), (12645, 20280), (12675, 20232), (14040, 18265), (14050, 18252), (14612, 17550), (15174, 16900), (15210, 16860)]