220326840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 735316920

約数和(自身を除く): 514990080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 331, 344, 360, 387, 430, 516, 645, 662, 774, 860, 993, 1032, 1290, 1324, 1548, 1655, 1720, 1849, 1935, 1986, 2580, 2648, 2979, 3096, 3310, 3698, 3870, 3972, 4965, 5160, 5547, 5958, 6620, 7396, 7740, 7944, 9245, 9930, 11094, 11916, 13240, 14233, 14792, 14895, 15480, 16641, 18490, 19860, 22188, 23832, 27735, 28466, 29790, 33282, 36980, 39720, 42699, 44376, 55470, 56932, 59580, 66564, 71165, 73960, 83205, 85398, 110940, 113864, 119160, 128097, 133128, 142330, 166410, 170796, 213495, 221880, 256194, 284660, 332820, 341592, 426990, 512388, 569320, 612019, 640485, 665640, 853980, 1024776, 1224038, 1280970, 1707960, 1836057, 2448076, 2561940, 3060095, 3672114, 4896152, 5123880, 5508171, 6120190, 7344228, 9180285, 11016342, 12240380, 14688456, 18360570, 22032684, 24480760, 27540855, 36721140, 44065368, 55081710, 73442280, 110163420, 220326840]

約数ペア:

[(1, 220326840), (2, 110163420), (3, 73442280), (4, 55081710), (5, 44065368), (6, 36721140), (8, 27540855), (9, 24480760), (10, 22032684), (12, 18360570), (15, 14688456), (18, 12240380), (20, 11016342), (24, 9180285), (30, 7344228), (36, 6120190), (40, 5508171), (43, 5123880), (45, 4896152), (60, 3672114), (72, 3060095), (86, 2561940), (90, 2448076), (120, 1836057), (129, 1707960), (172, 1280970), (180, 1224038), (215, 1024776), (258, 853980), (331, 665640), (344, 640485), (360, 612019), (387, 569320), (430, 512388), (516, 426990), (645, 341592), (662, 332820), (774, 284660), (860, 256194), (993, 221880), (1032, 213495), (1290, 170796), (1324, 166410), (1548, 142330), (1655, 133128), (1720, 128097), (1849, 119160), (1935, 113864), (1986, 110940), (2580, 85398), (2648, 83205), (2979, 73960), (3096, 71165), (3310, 66564), (3698, 59580), (3870, 56932), (3972, 55470), (4965, 44376), (5160, 42699), (5547, 39720), (5958, 36980), (6620, 33282), (7396, 29790), (7740, 28466), (7944, 27735), (9245, 23832), (9930, 22188), (11094, 19860), (11916, 18490), (13240, 16641), (14233, 15480), (14792, 14895)]