18918879720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{113341}}^1$

素因数の和:113475

約数の個数: 128

約数和(自身を含む): 61694317440

約数和(自身を除く): 42775437720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 107, 120, 130, 156, 195, 214, 260, 312, 321, 390, 428, 520, 535, 642, 780, 856, 1070, 1284, 1391, 1560, 1605, 2140, 2568, 2782, 3210, 4173, 4280, 5564, 6420, 6955, 8346, 11128, 12840, 13910, 16692, 20865, 27820, 33384, 41730, 55640, 83460, 113341, 166920, 226682, 340023, 453364, 566705, 680046, 906728, 1133410, 1360092, 1473433, 1700115, 2266820, 2720184, 2946866, 3400230, 4420299, 4533640, 5893732, 6800460, 7367165, 8840598, 11787464, 12127487, 13600920, 14734330, 17681196, 22101495, 24254974, 29468660, 35362392, 36382461, 44202990, 48509948, 58937320, 60637435, 72764922, 88405980, 97019896, 121274870, 145529844, 157657331, 176811960, 181912305, 242549740, 291059688, 315314662, 363824610, 472971993, 485099480, 630629324, 727649220, 788286655, 945943986, 1261258648, 1455298440, 1576573310, 1891887972, 2364859965, 3153146620, 3783775944, 4729719930, 6306293240, 9459439860, 18918879720]

約数ペア:

[(1, 18918879720), (2, 9459439860), (3, 6306293240), (4, 4729719930), (5, 3783775944), (6, 3153146620), (8, 2364859965), (10, 1891887972), (12, 1576573310), (13, 1455298440), (15, 1261258648), (20, 945943986), (24, 788286655), (26, 727649220), (30, 630629324), (39, 485099480), (40, 472971993), (52, 363824610), (60, 315314662), (65, 291059688), (78, 242549740), (104, 181912305), (107, 176811960), (120, 157657331), (130, 145529844), (156, 121274870), (195, 97019896), (214, 88405980), (260, 72764922), (312, 60637435), (321, 58937320), (390, 48509948), (428, 44202990), (520, 36382461), (535, 35362392), (642, 29468660), (780, 24254974), (856, 22101495), (1070, 17681196), (1284, 14734330), (1391, 13600920), (1560, 12127487), (1605, 11787464), (2140, 8840598), (2568, 7367165), (2782, 6800460), (3210, 5893732), (4173, 4533640), (4280, 4420299), (5564, 3400230), (6420, 2946866), (6955, 2720184), (8346, 2266820), (11128, 1700115), (12840, 1473433), (13910, 1360092), (16692, 1133410), (20865, 906728), (27820, 680046), (33384, 566705), (41730, 453364), (55640, 340023), (83460, 226682), (113341, 166920)]