404475960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3067}}^1$

素因数の和:3245

約数の個数: 128

約数和(自身を含む): 1396062720

約数和(自身を除く): 991586760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1884, 2198, 2355, 3067, 3140, 3297, 3768, 4396, 4710, 5495, 6134, 6280, 6594, 8792, 9201, 9420, 10990, 12268, 13188, 15335, 16485, 18402, 18840, 21469, 21980, 24536, 26376, 30670, 32970, 36804, 42938, 43960, 46005, 61340, 64407, 65940, 73608, 85876, 92010, 107345, 122680, 128814, 131880, 171752, 184020, 214690, 257628, 322035, 368040, 429380, 481519, 515256, 644070, 858760, 963038, 1288140, 1444557, 1926076, 2407595, 2576280, 2889114, 3370633, 3852152, 4815190, 5778228, 6741266, 7222785, 9630380, 10111899, 11556456, 13482532, 14445570, 16853165, 19260760, 20223798, 26965064, 28891140, 33706330, 40447596, 50559495, 57782280, 67412660, 80895192, 101118990, 134825320, 202237980, 404475960]

約数ペア:

[(1, 404475960), (2, 202237980), (3, 134825320), (4, 101118990), (5, 80895192), (6, 67412660), (7, 57782280), (8, 50559495), (10, 40447596), (12, 33706330), (14, 28891140), (15, 26965064), (20, 20223798), (21, 19260760), (24, 16853165), (28, 14445570), (30, 13482532), (35, 11556456), (40, 10111899), (42, 9630380), (56, 7222785), (60, 6741266), (70, 5778228), (84, 4815190), (105, 3852152), (120, 3370633), (140, 2889114), (157, 2576280), (168, 2407595), (210, 1926076), (280, 1444557), (314, 1288140), (420, 963038), (471, 858760), (628, 644070), (785, 515256), (840, 481519), (942, 429380), (1099, 368040), (1256, 322035), (1570, 257628), (1884, 214690), (2198, 184020), (2355, 171752), (3067, 131880), (3140, 128814), (3297, 122680), (3768, 107345), (4396, 92010), (4710, 85876), (5495, 73608), (6134, 65940), (6280, 64407), (6594, 61340), (8792, 46005), (9201, 43960), (9420, 42938), (10990, 36804), (12268, 32970), (13188, 30670), (15335, 26376), (16485, 24536), (18402, 21980), (18840, 21469)]