2012040720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{7741}}^1$

素因数の和:7798

約数の個数: 180

約数和(自身を含む): 7132379436

約数和(自身を除く): 5120338716

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 361, 380, 456, 570, 684, 720, 722, 760, 855, 912, 1083, 1140, 1368, 1444, 1520, 1710, 1805, 2166, 2280, 2736, 2888, 3249, 3420, 3610, 4332, 4560, 5415, 5776, 6498, 6840, 7220, 7741, 8664, 10830, 12996, 13680, 14440, 15482, 16245, 17328, 21660, 23223, 25992, 28880, 30964, 32490, 38705, 43320, 46446, 51984, 61928, 64980, 69669, 77410, 86640, 92892, 116115, 123856, 129960, 139338, 147079, 154820, 185784, 232230, 259920, 278676, 294158, 309640, 348345, 371568, 441237, 464460, 557352, 588316, 619280, 696690, 735395, 882474, 928920, 1114704, 1176632, 1323711, 1393380, 1470790, 1764948, 1857840, 2206185, 2353264, 2647422, 2786760, 2794501, 2941580, 3529896, 4412370, 5294844, 5573520, 5589002, 5883160, 6618555, 7059792, 8383503, 8824740, 10589688, 11178004, 11766320, 13237110, 13972505, 16767006, 17649480, 21179376, 22356008, 25150509, 26474220, 27945010, 33534012, 35298960, 41917515, 44712016, 50301018, 52948440, 55890020, 67068024, 83835030, 100602036, 105896880, 111780040, 125752545, 134136048, 167670060, 201204072, 223560080, 251505090, 335340120, 402408144, 503010180, 670680240, 1006020360, 2012040720]

約数ペア:

[(1, 2012040720), (2, 1006020360), (3, 670680240), (4, 503010180), (5, 402408144), (6, 335340120), (8, 251505090), (9, 223560080), (10, 201204072), (12, 167670060), (15, 134136048), (16, 125752545), (18, 111780040), (19, 105896880), (20, 100602036), (24, 83835030), (30, 67068024), (36, 55890020), (38, 52948440), (40, 50301018), (45, 44712016), (48, 41917515), (57, 35298960), (60, 33534012), (72, 27945010), (76, 26474220), (80, 25150509), (90, 22356008), (95, 21179376), (114, 17649480), (120, 16767006), (144, 13972505), (152, 13237110), (171, 11766320), (180, 11178004), (190, 10589688), (228, 8824740), (240, 8383503), (285, 7059792), (304, 6618555), (342, 5883160), (360, 5589002), (361, 5573520), (380, 5294844), (456, 4412370), (570, 3529896), (684, 2941580), (720, 2794501), (722, 2786760), (760, 2647422), (855, 2353264), (912, 2206185), (1083, 1857840), (1140, 1764948), (1368, 1470790), (1444, 1393380), (1520, 1323711), (1710, 1176632), (1805, 1114704), (2166, 928920), (2280, 882474), (2736, 735395), (2888, 696690), (3249, 619280), (3420, 588316), (3610, 557352), (4332, 464460), (4560, 441237), (5415, 371568), (5776, 348345), (6498, 309640), (6840, 294158), (7220, 278676), (7741, 259920), (8664, 232230), (10830, 185784), (12996, 154820), (13680, 147079), (14440, 139338), (15482, 129960), (16245, 123856), (17328, 116115), (21660, 92892), (23223, 86640), (25992, 77410), (28880, 69669), (30964, 64980), (32490, 61928), (38705, 51984), (43320, 46446)]