1788705240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{3823}}^1$

素因数の和:4401

約数の個数: 128

約数和(自身を含む): 6145320960

約数和(自身を除く): 4356615720

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, 168, 210, 280, 420, 557, 840, 1114, 1671, 2228, 2785, 3342, 3823, 3899, 4456, 5570, 6684, 7646, 7798, 8355, 11140, 11469, 11697, 13368, 15292, 15596, 16710, 19115, 19495, 22280, 22938, 23394, 26761, 30584, 31192, 33420, 38230, 38990, 45876, 46788, 53522, 57345, 58485, 66840, 76460, 77980, 80283, 91752, 93576, 107044, 114690, 116970, 133805, 152920, 155960, 160566, 214088, 229380, 233940, 267610, 321132, 401415, 458760, 467880, 535220, 642264, 802830, 1070440, 1605660, 2129411, 3211320, 4258822, 6388233, 8517644, 10647055, 12776466, 14905877, 17035288, 21294110, 25552932, 29811754, 31941165, 42588220, 44717631, 51105864, 59623508, 63882330, 74529385, 85176440, 89435262, 119247016, 127764660, 149058770, 178870524, 223588155, 255529320, 298117540, 357741048, 447176310, 596235080, 894352620, 1788705240]

約数ペア:

[(1, 1788705240), (2, 894352620), (3, 596235080), (4, 447176310), (5, 357741048), (6, 298117540), (7, 255529320), (8, 223588155), (10, 178870524), (12, 149058770), (14, 127764660), (15, 119247016), (20, 89435262), (21, 85176440), (24, 74529385), (28, 63882330), (30, 59623508), (35, 51105864), (40, 44717631), (42, 42588220), (56, 31941165), (60, 29811754), (70, 25552932), (84, 21294110), (105, 17035288), (120, 14905877), (140, 12776466), (168, 10647055), (210, 8517644), (280, 6388233), (420, 4258822), (557, 3211320), (840, 2129411), (1114, 1605660), (1671, 1070440), (2228, 802830), (2785, 642264), (3342, 535220), (3823, 467880), (3899, 458760), (4456, 401415), (5570, 321132), (6684, 267610), (7646, 233940), (7798, 229380), (8355, 214088), (11140, 160566), (11469, 155960), (11697, 152920), (13368, 133805), (15292, 116970), (15596, 114690), (16710, 107044), (19115, 93576), (19495, 91752), (22280, 80283), (22938, 77980), (23394, 76460), (26761, 66840), (30584, 58485), (31192, 57345), (33420, 53522), (38230, 46788), (38990, 45876)]