16576740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 54774720

約数和(自身を除く): 38197980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 131, 148, 171, 180, 185, 190, 222, 228, 262, 285, 333, 342, 370, 380, 393, 444, 524, 555, 570, 655, 666, 684, 703, 740, 786, 855, 1110, 1140, 1179, 1310, 1332, 1406, 1572, 1665, 1710, 1965, 2109, 2220, 2358, 2489, 2620, 2812, 3330, 3420, 3515, 3930, 4218, 4716, 4847, 4978, 5895, 6327, 6660, 7030, 7467, 7860, 8436, 9694, 9956, 10545, 11790, 12445, 12654, 14060, 14541, 14934, 19388, 21090, 22401, 23580, 24235, 24890, 25308, 29082, 29868, 31635, 37335, 42180, 43623, 44802, 48470, 49780, 58164, 63270, 72705, 74670, 87246, 89604, 92093, 96940, 112005, 126540, 145410, 149340, 174492, 184186, 218115, 224010, 276279, 290820, 368372, 436230, 448020, 460465, 552558, 828837, 872460, 920930, 1105116, 1381395, 1657674, 1841860, 2762790, 3315348, 4144185, 5525580, 8288370, 16576740]

約数ペア:

[(1, 16576740), (2, 8288370), (3, 5525580), (4, 4144185), (5, 3315348), (6, 2762790), (9, 1841860), (10, 1657674), (12, 1381395), (15, 1105116), (18, 920930), (19, 872460), (20, 828837), (30, 552558), (36, 460465), (37, 448020), (38, 436230), (45, 368372), (57, 290820), (60, 276279), (74, 224010), (76, 218115), (90, 184186), (95, 174492), (111, 149340), (114, 145410), (131, 126540), (148, 112005), (171, 96940), (180, 92093), (185, 89604), (190, 87246), (222, 74670), (228, 72705), (262, 63270), (285, 58164), (333, 49780), (342, 48470), (370, 44802), (380, 43623), (393, 42180), (444, 37335), (524, 31635), (555, 29868), (570, 29082), (655, 25308), (666, 24890), (684, 24235), (703, 23580), (740, 22401), (786, 21090), (855, 19388), (1110, 14934), (1140, 14541), (1179, 14060), (1310, 12654), (1332, 12445), (1406, 11790), (1572, 10545), (1665, 9956), (1710, 9694), (1965, 8436), (2109, 7860), (2220, 7467), (2358, 7030), (2489, 6660), (2620, 6327), (2812, 5895), (3330, 4978), (3420, 4847), (3515, 4716), (3930, 4218)]