215475420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 646609824

約数和(自身を除く): 431134404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 37, 60, 62, 74, 93, 101, 111, 124, 148, 155, 185, 186, 202, 222, 303, 310, 370, 372, 404, 444, 465, 505, 555, 606, 620, 740, 930, 961, 1010, 1110, 1147, 1212, 1515, 1860, 1922, 2020, 2220, 2294, 2883, 3030, 3131, 3441, 3737, 3844, 4588, 4805, 5735, 5766, 6060, 6262, 6882, 7474, 9393, 9610, 11211, 11470, 11532, 12524, 13764, 14415, 14948, 15655, 17205, 18685, 18786, 19220, 22422, 22940, 28830, 31310, 34410, 35557, 37370, 37572, 44844, 46965, 56055, 57660, 62620, 68820, 71114, 74740, 93930, 97061, 106671, 112110, 115847, 142228, 177785, 187860, 194122, 213342, 224220, 231694, 291183, 347541, 355570, 388244, 426684, 463388, 485305, 533355, 579235, 582366, 695082, 711140, 970610, 1066710, 1158470, 1164732, 1390164, 1455915, 1737705, 1941220, 2133420, 2316940, 2911830, 3475410, 3591257, 5823660, 6950820, 7182514, 10773771, 14365028, 17956285, 21547542, 35912570, 43095084, 53868855, 71825140, 107737710, 215475420]

約数ペア:

[(1, 215475420), (2, 107737710), (3, 71825140), (4, 53868855), (5, 43095084), (6, 35912570), (10, 21547542), (12, 17956285), (15, 14365028), (20, 10773771), (30, 7182514), (31, 6950820), (37, 5823660), (60, 3591257), (62, 3475410), (74, 2911830), (93, 2316940), (101, 2133420), (111, 1941220), (124, 1737705), (148, 1455915), (155, 1390164), (185, 1164732), (186, 1158470), (202, 1066710), (222, 970610), (303, 711140), (310, 695082), (370, 582366), (372, 579235), (404, 533355), (444, 485305), (465, 463388), (505, 426684), (555, 388244), (606, 355570), (620, 347541), (740, 291183), (930, 231694), (961, 224220), (1010, 213342), (1110, 194122), (1147, 187860), (1212, 177785), (1515, 142228), (1860, 115847), (1922, 112110), (2020, 106671), (2220, 97061), (2294, 93930), (2883, 74740), (3030, 71114), (3131, 68820), (3441, 62620), (3737, 57660), (3844, 56055), (4588, 46965), (4805, 44844), (5735, 37572), (5766, 37370), (6060, 35557), (6262, 34410), (6882, 31310), (7474, 28830), (9393, 22940), (9610, 22422), (11211, 19220), (11470, 18786), (11532, 18685), (12524, 17205), (13764, 15655), (14415, 14948)]