180640260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 578928000

約数和(自身を除く): 398287740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 199, 205, 246, 270, 369, 398, 410, 492, 540, 597, 615, 738, 796, 820, 995, 1107, 1194, 1230, 1476, 1681, 1791, 1845, 1990, 2214, 2388, 2460, 2985, 3362, 3582, 3690, 3980, 4428, 5043, 5373, 5535, 5970, 6724, 7164, 7380, 8159, 8405, 8955, 10086, 10746, 11070, 11940, 15129, 16318, 16810, 17910, 20172, 21492, 22140, 24477, 25215, 26865, 30258, 32636, 33620, 35820, 40795, 45387, 48954, 50430, 53730, 60516, 73431, 75645, 81590, 90774, 97908, 100860, 107460, 122385, 146862, 151290, 163180, 181548, 220293, 226935, 244770, 293724, 302580, 334519, 367155, 440586, 453870, 489540, 669038, 734310, 881172, 907740, 1003557, 1101465, 1338076, 1468620, 1672595, 2007114, 2202930, 3010671, 3345190, 4014228, 4405860, 5017785, 6021342, 6690380, 9032013, 10035570, 12042684, 15053355, 18064026, 20071140, 30106710, 36128052, 45160065, 60213420, 90320130, 180640260]

約数ペア:

[(1, 180640260), (2, 90320130), (3, 60213420), (4, 45160065), (5, 36128052), (6, 30106710), (9, 20071140), (10, 18064026), (12, 15053355), (15, 12042684), (18, 10035570), (20, 9032013), (27, 6690380), (30, 6021342), (36, 5017785), (41, 4405860), (45, 4014228), (54, 3345190), (60, 3010671), (82, 2202930), (90, 2007114), (108, 1672595), (123, 1468620), (135, 1338076), (164, 1101465), (180, 1003557), (199, 907740), (205, 881172), (246, 734310), (270, 669038), (369, 489540), (398, 453870), (410, 440586), (492, 367155), (540, 334519), (597, 302580), (615, 293724), (738, 244770), (796, 226935), (820, 220293), (995, 181548), (1107, 163180), (1194, 151290), (1230, 146862), (1476, 122385), (1681, 107460), (1791, 100860), (1845, 97908), (1990, 90774), (2214, 81590), (2388, 75645), (2460, 73431), (2985, 60516), (3362, 53730), (3582, 50430), (3690, 48954), (3980, 45387), (4428, 40795), (5043, 35820), (5373, 33620), (5535, 32636), (5970, 30258), (6724, 26865), (7164, 25215), (7380, 24477), (8159, 22140), (8405, 21492), (8955, 20172), (10086, 17910), (10746, 16810), (11070, 16318), (11940, 15129)]