1678642020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{44621}}^1$

素因数の和:44666

約数の個数: 144

約数和(自身を含む): 5847266880

約数和(自身を除く): 4168624860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 6270, 7524, 9405, 12540, 18810, 37620, 44621, 89242, 133863, 178484, 223105, 267726, 401589, 446210, 490831, 535452, 669315, 803178, 847799, 892420, 981662, 1338630, 1472493, 1606356, 1695598, 1963324, 2007945, 2454155, 2543397, 2677260, 2944986, 3391196, 4015890, 4238995, 4417479, 4908310, 5086794, 5889972, 7362465, 7630191, 8031780, 8477990, 8834958, 9325789, 9816620, 10173588, 12716985, 14724930, 15260382, 16955980, 17669916, 18651578, 22087395, 25433970, 27977367, 29449860, 30520764, 37303156, 38150955, 44174790, 46628945, 50867940, 55954734, 76301910, 83932101, 88349580, 93257890, 111909468, 139886835, 152603820, 167864202, 186515780, 279773670, 335728404, 419660505, 559547340, 839321010, 1678642020]

約数ペア:

[(1, 1678642020), (2, 839321010), (3, 559547340), (4, 419660505), (5, 335728404), (6, 279773670), (9, 186515780), (10, 167864202), (11, 152603820), (12, 139886835), (15, 111909468), (18, 93257890), (19, 88349580), (20, 83932101), (22, 76301910), (30, 55954734), (33, 50867940), (36, 46628945), (38, 44174790), (44, 38150955), (45, 37303156), (55, 30520764), (57, 29449860), (60, 27977367), (66, 25433970), (76, 22087395), (90, 18651578), (95, 17669916), (99, 16955980), (110, 15260382), (114, 14724930), (132, 12716985), (165, 10173588), (171, 9816620), (180, 9325789), (190, 8834958), (198, 8477990), (209, 8031780), (220, 7630191), (228, 7362465), (285, 5889972), (330, 5086794), (342, 4908310), (380, 4417479), (396, 4238995), (418, 4015890), (495, 3391196), (570, 2944986), (627, 2677260), (660, 2543397), (684, 2454155), (836, 2007945), (855, 1963324), (990, 1695598), (1045, 1606356), (1140, 1472493), (1254, 1338630), (1710, 981662), (1881, 892420), (1980, 847799), (2090, 803178), (2508, 669315), (3135, 535452), (3420, 490831), (3762, 446210), (4180, 401589), (6270, 267726), (7524, 223105), (9405, 178484), (12540, 133863), (18810, 89242), (37620, 44621)]