31200120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{4127}}^1$

素因数の和:4154

約数の個数: 128

約数和(自身を含む): 118886400

約数和(自身を除く): 87686280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 4127, 7560, 8254, 12381, 16508, 20635, 24762, 28889, 33016, 37143, 41270, 49524, 57778, 61905, 74286, 82540, 86667, 99048, 111429, 115556, 123810, 144445, 148572, 165080, 173334, 185715, 222858, 231112, 247620, 260001, 288890, 297144, 346668, 371430, 433335, 445716, 495240, 520002, 557145, 577780, 693336, 742860, 780003, 866670, 891432, 1040004, 1114290, 1155560, 1300005, 1485720, 1560006, 1733340, 2080008, 2228580, 2600010, 3120012, 3466680, 3900015, 4457160, 5200020, 6240024, 7800030, 10400040, 15600060, 31200120]

約数ペア:

[(1, 31200120), (2, 15600060), (3, 10400040), (4, 7800030), (5, 6240024), (6, 5200020), (7, 4457160), (8, 3900015), (9, 3466680), (10, 3120012), (12, 2600010), (14, 2228580), (15, 2080008), (18, 1733340), (20, 1560006), (21, 1485720), (24, 1300005), (27, 1155560), (28, 1114290), (30, 1040004), (35, 891432), (36, 866670), (40, 780003), (42, 742860), (45, 693336), (54, 577780), (56, 557145), (60, 520002), (63, 495240), (70, 445716), (72, 433335), (84, 371430), (90, 346668), (105, 297144), (108, 288890), (120, 260001), (126, 247620), (135, 231112), (140, 222858), (168, 185715), (180, 173334), (189, 165080), (210, 148572), (216, 144445), (252, 123810), (270, 115556), (280, 111429), (315, 99048), (360, 86667), (378, 82540), (420, 74286), (504, 61905), (540, 57778), (630, 49524), (756, 41270), (840, 37143), (945, 33016), (1080, 28889), (1260, 24762), (1512, 20635), (1890, 16508), (2520, 12381), (3780, 8254), (4127, 7560)]