1994618640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{27611}}^1$

素因数の和:27677

約数の個数: 160

約数和(自身を含む): 7231251456

約数和(自身を除く): 5236632816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3612, 4515, 4816, 5160, 6020, 7224, 9030, 10320, 12040, 14448, 18060, 24080, 27611, 36120, 55222, 72240, 82833, 110444, 138055, 165666, 193277, 220888, 276110, 331332, 386554, 414165, 441776, 552220, 579831, 662664, 773108, 828330, 966385, 1104440, 1159662, 1187273, 1325328, 1546216, 1656660, 1932770, 2208880, 2319324, 2374546, 2899155, 3092432, 3313320, 3561819, 3865540, 4638648, 4749092, 5798310, 5936365, 6626640, 7123638, 7731080, 8310911, 9277296, 9498184, 11596620, 11872730, 14247276, 15462160, 16621822, 17809095, 18996368, 23193240, 23745460, 24932733, 28494552, 33243644, 35618190, 41554555, 46386480, 47490920, 49865466, 56989104, 66487288, 71236380, 83109110, 94981840, 99730932, 124663665, 132974576, 142472760, 166218220, 199461864, 249327330, 284945520, 332436440, 398923728, 498654660, 664872880, 997309320, 1994618640]

約数ペア:

[(1, 1994618640), (2, 997309320), (3, 664872880), (4, 498654660), (5, 398923728), (6, 332436440), (7, 284945520), (8, 249327330), (10, 199461864), (12, 166218220), (14, 142472760), (15, 132974576), (16, 124663665), (20, 99730932), (21, 94981840), (24, 83109110), (28, 71236380), (30, 66487288), (35, 56989104), (40, 49865466), (42, 47490920), (43, 46386480), (48, 41554555), (56, 35618190), (60, 33243644), (70, 28494552), (80, 24932733), (84, 23745460), (86, 23193240), (105, 18996368), (112, 17809095), (120, 16621822), (129, 15462160), (140, 14247276), (168, 11872730), (172, 11596620), (210, 9498184), (215, 9277296), (240, 8310911), (258, 7731080), (280, 7123638), (301, 6626640), (336, 5936365), (344, 5798310), (420, 4749092), (430, 4638648), (516, 3865540), (560, 3561819), (602, 3313320), (645, 3092432), (688, 2899155), (840, 2374546), (860, 2319324), (903, 2208880), (1032, 1932770), (1204, 1656660), (1290, 1546216), (1505, 1325328), (1680, 1187273), (1720, 1159662), (1806, 1104440), (2064, 966385), (2408, 828330), (2580, 773108), (3010, 662664), (3440, 579831), (3612, 552220), (4515, 441776), (4816, 414165), (5160, 386554), (6020, 331332), (7224, 276110), (9030, 220888), (10320, 193277), (12040, 165666), (14448, 138055), (18060, 110444), (24080, 82833), (27611, 72240), (36120, 55222)]