18777420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 60130224

約数和(自身を除く): 41352804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 173, 180, 201, 268, 270, 324, 335, 346, 402, 405, 519, 540, 603, 670, 692, 804, 810, 865, 1005, 1038, 1206, 1340, 1557, 1620, 1730, 1809, 2010, 2076, 2412, 2595, 3015, 3114, 3460, 3618, 4020, 4671, 5190, 5427, 6030, 6228, 7236, 7785, 9045, 9342, 10380, 10854, 11591, 12060, 14013, 15570, 18090, 18684, 21708, 23182, 23355, 27135, 28026, 31140, 34773, 36180, 46364, 46710, 54270, 56052, 57955, 69546, 70065, 93420, 104319, 108540, 115910, 139092, 140130, 173865, 208638, 231820, 280260, 312957, 347730, 417276, 521595, 625914, 695460, 938871, 1043190, 1251828, 1564785, 1877742, 2086380, 3129570, 3755484, 4694355, 6259140, 9388710, 18777420]

約数ペア:

[(1, 18777420), (2, 9388710), (3, 6259140), (4, 4694355), (5, 3755484), (6, 3129570), (9, 2086380), (10, 1877742), (12, 1564785), (15, 1251828), (18, 1043190), (20, 938871), (27, 695460), (30, 625914), (36, 521595), (45, 417276), (54, 347730), (60, 312957), (67, 280260), (81, 231820), (90, 208638), (108, 173865), (134, 140130), (135, 139092), (162, 115910), (173, 108540), (180, 104319), (201, 93420), (268, 70065), (270, 69546), (324, 57955), (335, 56052), (346, 54270), (402, 46710), (405, 46364), (519, 36180), (540, 34773), (603, 31140), (670, 28026), (692, 27135), (804, 23355), (810, 23182), (865, 21708), (1005, 18684), (1038, 18090), (1206, 15570), (1340, 14013), (1557, 12060), (1620, 11591), (1730, 10854), (1809, 10380), (2010, 9342), (2076, 9045), (2412, 7785), (2595, 7236), (3015, 6228), (3114, 6030), (3460, 5427), (3618, 5190), (4020, 4671)]