639844560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{967}}^1$

素因数の和:1905

約数の個数: 120

約数和(自身を含む): 2153374080

約数和(自身を除く): 1513529520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 919, 967, 1838, 1934, 2757, 2901, 3676, 3868, 4595, 4835, 5514, 5802, 7352, 7736, 8271, 8703, 9190, 9670, 11028, 11604, 13785, 14505, 14704, 15472, 16542, 17406, 18380, 19340, 22056, 23208, 27570, 29010, 33084, 34812, 36760, 38680, 41355, 43515, 44112, 46416, 55140, 58020, 66168, 69624, 73520, 77360, 82710, 87030, 110280, 116040, 132336, 139248, 165420, 174060, 220560, 232080, 330840, 348120, 661680, 696240, 888673, 1777346, 2666019, 3554692, 4443365, 5332038, 7109384, 7998057, 8886730, 10664076, 13330095, 14218768, 15996114, 17773460, 21328152, 26660190, 31992228, 35546920, 39990285, 42656304, 53320380, 63984456, 71093840, 79980570, 106640760, 127968912, 159961140, 213281520, 319922280, 639844560]

約数ペア:

[(1, 639844560), (2, 319922280), (3, 213281520), (4, 159961140), (5, 127968912), (6, 106640760), (8, 79980570), (9, 71093840), (10, 63984456), (12, 53320380), (15, 42656304), (16, 39990285), (18, 35546920), (20, 31992228), (24, 26660190), (30, 21328152), (36, 17773460), (40, 15996114), (45, 14218768), (48, 13330095), (60, 10664076), (72, 8886730), (80, 7998057), (90, 7109384), (120, 5332038), (144, 4443365), (180, 3554692), (240, 2666019), (360, 1777346), (720, 888673), (919, 696240), (967, 661680), (1838, 348120), (1934, 330840), (2757, 232080), (2901, 220560), (3676, 174060), (3868, 165420), (4595, 139248), (4835, 132336), (5514, 116040), (5802, 110280), (7352, 87030), (7736, 82710), (8271, 77360), (8703, 73520), (9190, 69624), (9670, 66168), (11028, 58020), (11604, 55140), (13785, 46416), (14505, 44112), (14704, 43515), (15472, 41355), (16542, 38680), (17406, 36760), (18380, 34812), (19340, 33084), (22056, 29010), (23208, 27570)]