400146840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3079}}^1$

素因数の和:3134

約数の個数: 144

約数和(自身を含む): 1372971600

約数和(自身を除く): 972824760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 361, 380, 456, 570, 684, 722, 760, 855, 1083, 1140, 1368, 1444, 1710, 1805, 2166, 2280, 2888, 3079, 3249, 3420, 3610, 4332, 5415, 6158, 6498, 6840, 7220, 8664, 9237, 10830, 12316, 12996, 14440, 15395, 16245, 18474, 21660, 24632, 25992, 27711, 30790, 32490, 36948, 43320, 46185, 55422, 58501, 61580, 64980, 73896, 92370, 110844, 117002, 123160, 129960, 138555, 175503, 184740, 221688, 234004, 277110, 292505, 351006, 369480, 468008, 526509, 554220, 585010, 702012, 877515, 1053018, 1108440, 1111519, 1170020, 1404024, 1755030, 2106036, 2223038, 2340040, 2632545, 3334557, 3510060, 4212072, 4446076, 5265090, 5557595, 6669114, 7020120, 8892152, 10003671, 10530180, 11115190, 13338228, 16672785, 20007342, 21060360, 22230380, 26676456, 33345570, 40014684, 44460760, 50018355, 66691140, 80029368, 100036710, 133382280, 200073420, 400146840]

約数ペア:

[(1, 400146840), (2, 200073420), (3, 133382280), (4, 100036710), (5, 80029368), (6, 66691140), (8, 50018355), (9, 44460760), (10, 40014684), (12, 33345570), (15, 26676456), (18, 22230380), (19, 21060360), (20, 20007342), (24, 16672785), (30, 13338228), (36, 11115190), (38, 10530180), (40, 10003671), (45, 8892152), (57, 7020120), (60, 6669114), (72, 5557595), (76, 5265090), (90, 4446076), (95, 4212072), (114, 3510060), (120, 3334557), (152, 2632545), (171, 2340040), (180, 2223038), (190, 2106036), (228, 1755030), (285, 1404024), (342, 1170020), (360, 1111519), (361, 1108440), (380, 1053018), (456, 877515), (570, 702012), (684, 585010), (722, 554220), (760, 526509), (855, 468008), (1083, 369480), (1140, 351006), (1368, 292505), (1444, 277110), (1710, 234004), (1805, 221688), (2166, 184740), (2280, 175503), (2888, 138555), (3079, 129960), (3249, 123160), (3420, 117002), (3610, 110844), (4332, 92370), (5415, 73896), (6158, 64980), (6498, 61580), (6840, 58501), (7220, 55422), (8664, 46185), (9237, 43320), (10830, 36948), (12316, 32490), (12996, 30790), (14440, 27711), (15395, 25992), (16245, 24632), (18474, 21660)]