205521120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20389}}^1$

素因数の和:20417

約数の個数: 144

約数和(自身を含む): 801571680

約数和(自身を除く): 596050560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20389, 40778, 61167, 81556, 101945, 122334, 142723, 163112, 183501, 203890, 244668, 285446, 305835, 326224, 367002, 407780, 428169, 489336, 570892, 611670, 652448, 713615, 734004, 815560, 856338, 917505, 978672, 1141784, 1223340, 1284507, 1427230, 1468008, 1631120, 1712676, 1835010, 1957344, 2140845, 2283568, 2446680, 2569014, 2854460, 2936016, 3262240, 3425352, 3670020, 4281690, 4567136, 4893360, 5138028, 5708920, 5872032, 6422535, 6850704, 7340040, 8563380, 9786720, 10276056, 11417840, 12845070, 13701408, 14680080, 17126760, 20552112, 22835680, 25690140, 29360160, 34253520, 41104224, 51380280, 68507040, 102760560, 205521120]

約数ペア:

[(1, 205521120), (2, 102760560), (3, 68507040), (4, 51380280), (5, 41104224), (6, 34253520), (7, 29360160), (8, 25690140), (9, 22835680), (10, 20552112), (12, 17126760), (14, 14680080), (15, 13701408), (16, 12845070), (18, 11417840), (20, 10276056), (21, 9786720), (24, 8563380), (28, 7340040), (30, 6850704), (32, 6422535), (35, 5872032), (36, 5708920), (40, 5138028), (42, 4893360), (45, 4567136), (48, 4281690), (56, 3670020), (60, 3425352), (63, 3262240), (70, 2936016), (72, 2854460), (80, 2569014), (84, 2446680), (90, 2283568), (96, 2140845), (105, 1957344), (112, 1835010), (120, 1712676), (126, 1631120), (140, 1468008), (144, 1427230), (160, 1284507), (168, 1223340), (180, 1141784), (210, 978672), (224, 917505), (240, 856338), (252, 815560), (280, 734004), (288, 713615), (315, 652448), (336, 611670), (360, 570892), (420, 489336), (480, 428169), (504, 407780), (560, 367002), (630, 326224), (672, 305835), (720, 285446), (840, 244668), (1008, 203890), (1120, 183501), (1260, 163112), (1440, 142723), (1680, 122334), (2016, 101945), (2520, 81556), (3360, 61167), (5040, 40778), (10080, 20389)]