2018775480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{3491}}^1$

素因数の和:3645

約数の個数: 128

約数和(自身を含む): 6235315200

約数和(自身を除く): 4216539720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 79, 120, 122, 158, 183, 237, 244, 305, 316, 366, 395, 474, 488, 610, 632, 732, 790, 915, 948, 1185, 1220, 1464, 1580, 1830, 1896, 2370, 2440, 3160, 3491, 3660, 4740, 4819, 6982, 7320, 9480, 9638, 10473, 13964, 14457, 17455, 19276, 20946, 24095, 27928, 28914, 34910, 38552, 41892, 48190, 52365, 57828, 69820, 72285, 83784, 96380, 104730, 115656, 139640, 144570, 192760, 209460, 212951, 275789, 289140, 418920, 425902, 551578, 578280, 638853, 827367, 851804, 1064755, 1103156, 1277706, 1378945, 1654734, 1703608, 2129510, 2206312, 2555412, 2757890, 3194265, 3309468, 4136835, 4259020, 5110824, 5515780, 6388530, 6618936, 8273670, 8518040, 11031560, 12777060, 16547340, 16823129, 25554120, 33094680, 33646258, 50469387, 67292516, 84115645, 100938774, 134585032, 168231290, 201877548, 252346935, 336462580, 403755096, 504693870, 672925160, 1009387740, 2018775480]

約数ペア:

[(1, 2018775480), (2, 1009387740), (3, 672925160), (4, 504693870), (5, 403755096), (6, 336462580), (8, 252346935), (10, 201877548), (12, 168231290), (15, 134585032), (20, 100938774), (24, 84115645), (30, 67292516), (40, 50469387), (60, 33646258), (61, 33094680), (79, 25554120), (120, 16823129), (122, 16547340), (158, 12777060), (183, 11031560), (237, 8518040), (244, 8273670), (305, 6618936), (316, 6388530), (366, 5515780), (395, 5110824), (474, 4259020), (488, 4136835), (610, 3309468), (632, 3194265), (732, 2757890), (790, 2555412), (915, 2206312), (948, 2129510), (1185, 1703608), (1220, 1654734), (1464, 1378945), (1580, 1277706), (1830, 1103156), (1896, 1064755), (2370, 851804), (2440, 827367), (3160, 638853), (3491, 578280), (3660, 551578), (4740, 425902), (4819, 418920), (6982, 289140), (7320, 275789), (9480, 212951), (9638, 209460), (10473, 192760), (13964, 144570), (14457, 139640), (17455, 115656), (19276, 104730), (20946, 96380), (24095, 83784), (27928, 72285), (28914, 69820), (34910, 57828), (38552, 52365), (41892, 48190)]