221250120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20261}}^1$

素因数の和:20295

約数の個数: 128

約数和(自身を含む): 816963840

約数和(自身を除く): 595713720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 20261, 40522, 60783, 81044, 101305, 121566, 141827, 162088, 202610, 243132, 263393, 283654, 303915, 405220, 425481, 486264, 526786, 567308, 607830, 709135, 790179, 810440, 850962, 1053572, 1134616, 1215660, 1316965, 1418270, 1580358, 1701924, 1843751, 2107144, 2127405, 2431320, 2633930, 2836540, 3160716, 3403848, 3687502, 3950895, 4254810, 5267860, 5531253, 5673080, 6321432, 7375004, 7901790, 8509620, 9218755, 10535720, 11062506, 14750008, 15803580, 17019240, 18437510, 22125012, 27656265, 31607160, 36875020, 44250024, 55312530, 73750040, 110625060, 221250120]

約数ペア:

[(1, 221250120), (2, 110625060), (3, 73750040), (4, 55312530), (5, 44250024), (6, 36875020), (7, 31607160), (8, 27656265), (10, 22125012), (12, 18437510), (13, 17019240), (14, 15803580), (15, 14750008), (20, 11062506), (21, 10535720), (24, 9218755), (26, 8509620), (28, 7901790), (30, 7375004), (35, 6321432), (39, 5673080), (40, 5531253), (42, 5267860), (52, 4254810), (56, 3950895), (60, 3687502), (65, 3403848), (70, 3160716), (78, 2836540), (84, 2633930), (91, 2431320), (104, 2127405), (105, 2107144), (120, 1843751), (130, 1701924), (140, 1580358), (156, 1418270), (168, 1316965), (182, 1215660), (195, 1134616), (210, 1053572), (260, 850962), (273, 810440), (280, 790179), (312, 709135), (364, 607830), (390, 567308), (420, 526786), (455, 486264), (520, 425481), (546, 405220), (728, 303915), (780, 283654), (840, 263393), (910, 243132), (1092, 202610), (1365, 162088), (1560, 141827), (1820, 121566), (2184, 101305), (2730, 81044), (3640, 60783), (5460, 40522), (10920, 20261)]