1656429720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{21269}}^1$

素因数の和:21353

約数の個数: 128

約数和(自身を含む): 5513184000

約数和(自身を除く): 3856754280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 110, 118, 120, 132, 165, 177, 220, 236, 264, 295, 330, 354, 440, 472, 590, 649, 660, 708, 885, 1180, 1298, 1320, 1416, 1770, 1947, 2360, 2596, 3245, 3540, 3894, 5192, 6490, 7080, 7788, 9735, 12980, 15576, 19470, 21269, 25960, 38940, 42538, 63807, 77880, 85076, 106345, 127614, 170152, 212690, 233959, 255228, 319035, 425380, 467918, 510456, 638070, 701877, 850760, 935836, 1169795, 1254871, 1276140, 1403754, 1871672, 2339590, 2509742, 2552280, 2807508, 3509385, 3764613, 4679180, 5019484, 5615016, 6274355, 7018770, 7529226, 9358360, 10038968, 12548710, 13803581, 14037540, 15058452, 18823065, 25097420, 27607162, 28075080, 30116904, 37646130, 41410743, 50194840, 55214324, 69017905, 75292260, 82821486, 110428648, 138035810, 150584520, 165642972, 207053715, 276071620, 331285944, 414107430, 552143240, 828214860, 1656429720]

約数ペア:

[(1, 1656429720), (2, 828214860), (3, 552143240), (4, 414107430), (5, 331285944), (6, 276071620), (8, 207053715), (10, 165642972), (11, 150584520), (12, 138035810), (15, 110428648), (20, 82821486), (22, 75292260), (24, 69017905), (30, 55214324), (33, 50194840), (40, 41410743), (44, 37646130), (55, 30116904), (59, 28075080), (60, 27607162), (66, 25097420), (88, 18823065), (110, 15058452), (118, 14037540), (120, 13803581), (132, 12548710), (165, 10038968), (177, 9358360), (220, 7529226), (236, 7018770), (264, 6274355), (295, 5615016), (330, 5019484), (354, 4679180), (440, 3764613), (472, 3509385), (590, 2807508), (649, 2552280), (660, 2509742), (708, 2339590), (885, 1871672), (1180, 1403754), (1298, 1276140), (1320, 1254871), (1416, 1169795), (1770, 935836), (1947, 850760), (2360, 701877), (2596, 638070), (3245, 510456), (3540, 467918), (3894, 425380), (5192, 319035), (6490, 255228), (7080, 233959), (7788, 212690), (9735, 170152), (12980, 127614), (15576, 106345), (19470, 85076), (21269, 77880), (25960, 63807), (38940, 42538)]