128777760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2417}}^1$

素因数の和:2475

約数の個数: 144

約数和(自身を含む): 451517976

約数和(自身を除く): 322740216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 2220, 2417, 2664, 2960, 3330, 3552, 4440, 4834, 5328, 5920, 6660, 7251, 8880, 9668, 10656, 12085, 13320, 14502, 17760, 19336, 21753, 24170, 26640, 29004, 36255, 38672, 43506, 48340, 53280, 58008, 72510, 77344, 87012, 89429, 96680, 108765, 116016, 145020, 174024, 178858, 193360, 217530, 232032, 268287, 290040, 348048, 357716, 386720, 435060, 447145, 536574, 580080, 696096, 715432, 804861, 870120, 894290, 1073148, 1160160, 1341435, 1430864, 1609722, 1740240, 1788580, 2146296, 2682870, 2861728, 3219444, 3480480, 3577160, 4024305, 4292592, 5365740, 6438888, 7154320, 8048610, 8585184, 10731480, 12877776, 14308640, 16097220, 21462960, 25755552, 32194440, 42925920, 64388880, 128777760]

約数ペア:

[(1, 128777760), (2, 64388880), (3, 42925920), (4, 32194440), (5, 25755552), (6, 21462960), (8, 16097220), (9, 14308640), (10, 12877776), (12, 10731480), (15, 8585184), (16, 8048610), (18, 7154320), (20, 6438888), (24, 5365740), (30, 4292592), (32, 4024305), (36, 3577160), (37, 3480480), (40, 3219444), (45, 2861728), (48, 2682870), (60, 2146296), (72, 1788580), (74, 1740240), (80, 1609722), (90, 1430864), (96, 1341435), (111, 1160160), (120, 1073148), (144, 894290), (148, 870120), (160, 804861), (180, 715432), (185, 696096), (222, 580080), (240, 536574), (288, 447145), (296, 435060), (333, 386720), (360, 357716), (370, 348048), (444, 290040), (480, 268287), (555, 232032), (592, 217530), (666, 193360), (720, 178858), (740, 174024), (888, 145020), (1110, 116016), (1184, 108765), (1332, 96680), (1440, 89429), (1480, 87012), (1665, 77344), (1776, 72510), (2220, 58008), (2417, 53280), (2664, 48340), (2960, 43506), (3330, 38672), (3552, 36255), (4440, 29004), (4834, 26640), (5328, 24170), (5920, 21753), (6660, 19336), (7251, 17760), (8880, 14502), (9668, 13320), (10656, 12085)]