1279358280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1289}}^1$

素因数の和:2228

約数の個数: 128

約数和(自身を含む): 4272480000

約数和(自身を除く): 2993121720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 919, 1080, 1289, 1838, 2578, 2757, 3676, 3867, 4595, 5156, 5514, 6445, 7352, 7734, 8271, 9190, 10312, 11028, 11601, 12890, 13785, 15468, 16542, 18380, 19335, 22056, 23202, 24813, 25780, 27570, 30936, 33084, 34803, 36760, 38670, 41355, 46404, 49626, 51560, 55140, 58005, 66168, 69606, 77340, 82710, 92808, 99252, 110280, 116010, 124065, 139212, 154680, 165420, 174015, 198504, 232020, 248130, 278424, 330840, 348030, 464040, 496260, 696060, 992520, 1184591, 1392120, 2369182, 3553773, 4738364, 5922955, 7107546, 9476728, 10661319, 11845910, 14215092, 17768865, 21322638, 23691820, 28430184, 31983957, 35537730, 42645276, 47383640, 53306595, 63967914, 71075460, 85290552, 106613190, 127935828, 142150920, 159919785, 213226380, 255871656, 319839570, 426452760, 639679140, 1279358280]

約数ペア:

[(1, 1279358280), (2, 639679140), (3, 426452760), (4, 319839570), (5, 255871656), (6, 213226380), (8, 159919785), (9, 142150920), (10, 127935828), (12, 106613190), (15, 85290552), (18, 71075460), (20, 63967914), (24, 53306595), (27, 47383640), (30, 42645276), (36, 35537730), (40, 31983957), (45, 28430184), (54, 23691820), (60, 21322638), (72, 17768865), (90, 14215092), (108, 11845910), (120, 10661319), (135, 9476728), (180, 7107546), (216, 5922955), (270, 4738364), (360, 3553773), (540, 2369182), (919, 1392120), (1080, 1184591), (1289, 992520), (1838, 696060), (2578, 496260), (2757, 464040), (3676, 348030), (3867, 330840), (4595, 278424), (5156, 248130), (5514, 232020), (6445, 198504), (7352, 174015), (7734, 165420), (8271, 154680), (9190, 139212), (10312, 124065), (11028, 116010), (11601, 110280), (12890, 99252), (13785, 92808), (15468, 82710), (16542, 77340), (18380, 69606), (19335, 66168), (22056, 58005), (23202, 55140), (24813, 51560), (25780, 49626), (27570, 46404), (30936, 41355), (33084, 38670), (34803, 36760)]