255686760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1149

約数の個数: 256

約数和(自身を含む): 1006387200

約数和(自身を除く): 750700440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 930, 945, 1080, 1085, 1091, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1860, 1890, 1953, 2170, 2182, 2232, 2520, 2604, 2790, 3255, 3273, 3348, 3720, 3780, 3906, 4185, 4340, 4364, 5208, 5455, 5580, 5859, 6510, 6546, 6696, 7560, 7637, 7812, 8370, 8680, 8728, 9765, 9819, 10910, 11160, 11718, 13020, 13092, 15274, 15624, 16365, 16740, 19530, 19638, 21820, 22911, 23436, 26040, 26184, 29295, 29457, 30548, 32730, 33480, 33821, 38185, 39060, 39276, 43640, 45822, 46872, 49095, 58590, 58914, 61096, 65460, 67642, 68733, 76370, 78120, 78552, 91644, 98190, 101463, 114555, 117180, 117828, 130920, 135284, 137466, 147285, 152740, 169105, 183288, 196380, 202926, 206199, 229110, 234360, 235656, 236747, 270568, 274932, 294570, 304389, 305480, 338210, 343665, 392760, 405852, 412398, 458220, 473494, 507315, 549864, 589140, 608778, 676420, 687330, 710241, 811704, 824796, 913167, 916440, 946988, 1014630, 1030995, 1178280, 1183735, 1217556, 1352840, 1374660, 1420482, 1521945, 1649592, 1826334, 1893976, 2029260, 2061990, 2130723, 2367470, 2435112, 2749320, 2840964, 3043890, 3551205, 3652668, 4058520, 4123980, 4261446, 4565835, 4734940, 5681928, 6087780, 6392169, 7102410, 7305336, 8247960, 8522892, 9131670, 9469880, 10653615, 12175560, 12784338, 14204820, 17045784, 18263340, 21307230, 25568676, 28409640, 31960845, 36526680, 42614460, 51137352, 63921690, 85228920, 127843380, 255686760]

約数ペア:

[(1, 255686760), (2, 127843380), (3, 85228920), (4, 63921690), (5, 51137352), (6, 42614460), (7, 36526680), (8, 31960845), (9, 28409640), (10, 25568676), (12, 21307230), (14, 18263340), (15, 17045784), (18, 14204820), (20, 12784338), (21, 12175560), (24, 10653615), (27, 9469880), (28, 9131670), (30, 8522892), (31, 8247960), (35, 7305336), (36, 7102410), (40, 6392169), (42, 6087780), (45, 5681928), (54, 4734940), (56, 4565835), (60, 4261446), (62, 4123980), (63, 4058520), (70, 3652668), (72, 3551205), (84, 3043890), (90, 2840964), (93, 2749320), (105, 2435112), (108, 2367470), (120, 2130723), (124, 2061990), (126, 2029260), (135, 1893976), (140, 1826334), (155, 1649592), (168, 1521945), (180, 1420482), (186, 1374660), (189, 1352840), (210, 1217556), (216, 1183735), (217, 1178280), (248, 1030995), (252, 1014630), (270, 946988), (279, 916440), (280, 913167), (310, 824796), (315, 811704), (360, 710241), (372, 687330), (378, 676420), (420, 608778), (434, 589140), (465, 549864), (504, 507315), (540, 473494), (558, 458220), (620, 412398), (630, 405852), (651, 392760), (744, 343665), (756, 338210), (837, 305480), (840, 304389), (868, 294570), (930, 274932), (945, 270568), (1080, 236747), (1085, 235656), (1091, 234360), (1116, 229110), (1240, 206199), (1260, 202926), (1302, 196380), (1395, 183288), (1512, 169105), (1674, 152740), (1736, 147285), (1860, 137466), (1890, 135284), (1953, 130920), (2170, 117828), (2182, 117180), (2232, 114555), (2520, 101463), (2604, 98190), (2790, 91644), (3255, 78552), (3273, 78120), (3348, 76370), (3720, 68733), (3780, 67642), (3906, 65460), (4185, 61096), (4340, 58914), (4364, 58590), (5208, 49095), (5455, 46872), (5580, 45822), (5859, 43640), (6510, 39276), (6546, 39060), (6696, 38185), (7560, 33821), (7637, 33480), (7812, 32730), (8370, 30548), (8680, 29457), (8728, 29295), (9765, 26184), (9819, 26040), (10910, 23436), (11160, 22911), (11718, 21820), (13020, 19638), (13092, 19530), (15274, 16740), (15624, 16365)]