1279181640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2441}}^1$

素因数の和:2863

約数の個数: 128

約数和(自身を含む): 4198677120

約数和(自身を除く): 2919495480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 397, 440, 660, 794, 1191, 1320, 1588, 1985, 2382, 2441, 3176, 3970, 4367, 4764, 4882, 5955, 7323, 7940, 8734, 9528, 9764, 11910, 12205, 13101, 14646, 15880, 17468, 19528, 21835, 23820, 24410, 26202, 26851, 29292, 34936, 36615, 43670, 47640, 48820, 52404, 53702, 58584, 65505, 73230, 80553, 87340, 97640, 104808, 107404, 131010, 134255, 146460, 161106, 174680, 214808, 262020, 268510, 292920, 322212, 402765, 524040, 537020, 644424, 805530, 969077, 1074040, 1611060, 1938154, 2907231, 3222120, 3876308, 4845385, 5814462, 7752616, 9690770, 10659847, 11628924, 14536155, 19381540, 21319694, 23257848, 29072310, 31979541, 38763080, 42639388, 53299235, 58144620, 63959082, 85278776, 106598470, 116289240, 127918164, 159897705, 213196940, 255836328, 319795410, 426393880, 639590820, 1279181640]

約数ペア:

[(1, 1279181640), (2, 639590820), (3, 426393880), (4, 319795410), (5, 255836328), (6, 213196940), (8, 159897705), (10, 127918164), (11, 116289240), (12, 106598470), (15, 85278776), (20, 63959082), (22, 58144620), (24, 53299235), (30, 42639388), (33, 38763080), (40, 31979541), (44, 29072310), (55, 23257848), (60, 21319694), (66, 19381540), (88, 14536155), (110, 11628924), (120, 10659847), (132, 9690770), (165, 7752616), (220, 5814462), (264, 4845385), (330, 3876308), (397, 3222120), (440, 2907231), (660, 1938154), (794, 1611060), (1191, 1074040), (1320, 969077), (1588, 805530), (1985, 644424), (2382, 537020), (2441, 524040), (3176, 402765), (3970, 322212), (4367, 292920), (4764, 268510), (4882, 262020), (5955, 214808), (7323, 174680), (7940, 161106), (8734, 146460), (9528, 134255), (9764, 131010), (11910, 107404), (12205, 104808), (13101, 97640), (14646, 87340), (15880, 80553), (17468, 73230), (19528, 65505), (21835, 58584), (23820, 53702), (24410, 52404), (26202, 48820), (26851, 47640), (29292, 43670), (34936, 36615)]