1721223240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{6827}}^1$

素因数の和:7043

約数の個数: 128

約数和(自身を含む): 5663416320

約数和(自身を除く): 3942193080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 191, 220, 264, 330, 382, 440, 573, 660, 764, 955, 1146, 1320, 1528, 1910, 2101, 2292, 2865, 3820, 4202, 4584, 5730, 6303, 6827, 7640, 8404, 10505, 11460, 12606, 13654, 16808, 20481, 21010, 22920, 25212, 27308, 31515, 34135, 40962, 42020, 50424, 54616, 63030, 68270, 75097, 81924, 84040, 102405, 126060, 136540, 150194, 163848, 204810, 225291, 252120, 273080, 300388, 375485, 409620, 450582, 600776, 750970, 819240, 901164, 1126455, 1303957, 1501940, 1802328, 2252910, 2607914, 3003880, 3911871, 4505820, 5215828, 6519785, 7823742, 9011640, 10431656, 13039570, 14343527, 15647484, 19559355, 26079140, 28687054, 31294968, 39118710, 43030581, 52158280, 57374108, 71717635, 78237420, 86061162, 114748216, 143435270, 156474840, 172122324, 215152905, 286870540, 344244648, 430305810, 573741080, 860611620, 1721223240]

約数ペア:

[(1, 1721223240), (2, 860611620), (3, 573741080), (4, 430305810), (5, 344244648), (6, 286870540), (8, 215152905), (10, 172122324), (11, 156474840), (12, 143435270), (15, 114748216), (20, 86061162), (22, 78237420), (24, 71717635), (30, 57374108), (33, 52158280), (40, 43030581), (44, 39118710), (55, 31294968), (60, 28687054), (66, 26079140), (88, 19559355), (110, 15647484), (120, 14343527), (132, 13039570), (165, 10431656), (191, 9011640), (220, 7823742), (264, 6519785), (330, 5215828), (382, 4505820), (440, 3911871), (573, 3003880), (660, 2607914), (764, 2252910), (955, 1802328), (1146, 1501940), (1320, 1303957), (1528, 1126455), (1910, 901164), (2101, 819240), (2292, 750970), (2865, 600776), (3820, 450582), (4202, 409620), (4584, 375485), (5730, 300388), (6303, 273080), (6827, 252120), (7640, 225291), (8404, 204810), (10505, 163848), (11460, 150194), (12606, 136540), (13654, 126060), (16808, 102405), (20481, 84040), (21010, 81924), (22920, 75097), (25212, 68270), (27308, 63030), (31515, 54616), (34135, 50424), (40962, 42020)]