31440060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 104176800

約数和(自身を除く): 72736740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 317, 342, 348, 380, 435, 522, 551, 570, 580, 634, 684, 855, 870, 951, 1044, 1102, 1140, 1268, 1305, 1585, 1653, 1710, 1740, 1902, 2204, 2610, 2755, 2853, 3170, 3306, 3420, 3804, 4755, 4959, 5220, 5510, 5706, 6023, 6340, 6612, 8265, 9193, 9510, 9918, 11020, 11412, 12046, 14265, 16530, 18069, 18386, 19020, 19836, 24092, 24795, 27579, 28530, 30115, 33060, 36138, 36772, 45965, 49590, 54207, 55158, 57060, 60230, 72276, 82737, 90345, 91930, 99180, 108414, 110316, 120460, 137895, 165474, 174667, 180690, 183860, 216828, 271035, 275790, 330948, 349334, 361380, 413685, 524001, 542070, 551580, 698668, 827370, 873335, 1048002, 1084140, 1572003, 1654740, 1746670, 2096004, 2620005, 3144006, 3493340, 5240010, 6288012, 7860015, 10480020, 15720030, 31440060]

約数ペア:

[(1, 31440060), (2, 15720030), (3, 10480020), (4, 7860015), (5, 6288012), (6, 5240010), (9, 3493340), (10, 3144006), (12, 2620005), (15, 2096004), (18, 1746670), (19, 1654740), (20, 1572003), (29, 1084140), (30, 1048002), (36, 873335), (38, 827370), (45, 698668), (57, 551580), (58, 542070), (60, 524001), (76, 413685), (87, 361380), (90, 349334), (95, 330948), (114, 275790), (116, 271035), (145, 216828), (171, 183860), (174, 180690), (180, 174667), (190, 165474), (228, 137895), (261, 120460), (285, 110316), (290, 108414), (317, 99180), (342, 91930), (348, 90345), (380, 82737), (435, 72276), (522, 60230), (551, 57060), (570, 55158), (580, 54207), (634, 49590), (684, 45965), (855, 36772), (870, 36138), (951, 33060), (1044, 30115), (1102, 28530), (1140, 27579), (1268, 24795), (1305, 24092), (1585, 19836), (1653, 19020), (1710, 18386), (1740, 18069), (1902, 16530), (2204, 14265), (2610, 12046), (2755, 11412), (2853, 11020), (3170, 9918), (3306, 9510), (3420, 9193), (3804, 8265), (4755, 6612), (4959, 6340), (5220, 6023), (5510, 5706)]