16890120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 61288920

約数和(自身を除く): 44398800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 401, 405, 468, 520, 540, 585, 648, 702, 780, 802, 810, 936, 1053, 1080, 1170, 1203, 1404, 1560, 1604, 1620, 1755, 2005, 2106, 2340, 2406, 2808, 3208, 3240, 3510, 3609, 4010, 4212, 4680, 4812, 5213, 5265, 6015, 7020, 7218, 8020, 8424, 9624, 10426, 10530, 10827, 12030, 14040, 14436, 15639, 16040, 18045, 20852, 21060, 21654, 24060, 26065, 28872, 31278, 32481, 36090, 41704, 42120, 43308, 46917, 48120, 52130, 54135, 62556, 64962, 72180, 78195, 86616, 93834, 104260, 108270, 125112, 129924, 140751, 144360, 156390, 162405, 187668, 208520, 216540, 234585, 259848, 281502, 312780, 324810, 375336, 422253, 433080, 469170, 563004, 625560, 649620, 703755, 844506, 938340, 1126008, 1299240, 1407510, 1689012, 1876680, 2111265, 2815020, 3378024, 4222530, 5630040, 8445060, 16890120]

約数ペア:

[(1, 16890120), (2, 8445060), (3, 5630040), (4, 4222530), (5, 3378024), (6, 2815020), (8, 2111265), (9, 1876680), (10, 1689012), (12, 1407510), (13, 1299240), (15, 1126008), (18, 938340), (20, 844506), (24, 703755), (26, 649620), (27, 625560), (30, 563004), (36, 469170), (39, 433080), (40, 422253), (45, 375336), (52, 324810), (54, 312780), (60, 281502), (65, 259848), (72, 234585), (78, 216540), (81, 208520), (90, 187668), (104, 162405), (108, 156390), (117, 144360), (120, 140751), (130, 129924), (135, 125112), (156, 108270), (162, 104260), (180, 93834), (195, 86616), (216, 78195), (234, 72180), (260, 64962), (270, 62556), (312, 54135), (324, 52130), (351, 48120), (360, 46917), (390, 43308), (401, 42120), (405, 41704), (468, 36090), (520, 32481), (540, 31278), (585, 28872), (648, 26065), (702, 24060), (780, 21654), (802, 21060), (810, 20852), (936, 18045), (1053, 16040), (1080, 15639), (1170, 14436), (1203, 14040), (1404, 12030), (1560, 10827), (1604, 10530), (1620, 10426), (1755, 9624), (2005, 8424), (2106, 8020), (2340, 7218), (2406, 7020), (2808, 6015), (3208, 5265), (3240, 5213), (3510, 4812), (3609, 4680), (4010, 4212)]