257563020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2776

約数の個数: 144

約数和(自身を含む): 853987680

約数和(自身を除く): 596424660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 286, 330, 363, 390, 429, 484, 572, 605, 660, 715, 726, 780, 858, 1210, 1430, 1452, 1573, 1716, 1815, 2145, 2420, 2729, 2860, 3146, 3630, 4290, 4719, 5458, 6292, 7260, 7865, 8187, 8580, 9438, 10916, 13645, 15730, 16374, 18876, 23595, 27290, 30019, 31460, 32748, 35477, 40935, 47190, 54580, 60038, 70954, 81870, 90057, 94380, 106431, 120076, 141908, 150095, 163740, 177385, 180114, 212862, 300190, 330209, 354770, 360228, 390247, 425724, 450285, 532155, 600380, 660418, 709540, 780494, 900570, 990627, 1064310, 1170741, 1320836, 1560988, 1651045, 1801140, 1951235, 1981254, 2128620, 2341482, 3302090, 3902470, 3962508, 4292717, 4682964, 4953135, 5853705, 6604180, 7804940, 8585434, 9906270, 11707410, 12878151, 17170868, 19812540, 21463585, 23414820, 25756302, 42927170, 51512604, 64390755, 85854340, 128781510, 257563020]

約数ペア:

[(1, 257563020), (2, 128781510), (3, 85854340), (4, 64390755), (5, 51512604), (6, 42927170), (10, 25756302), (11, 23414820), (12, 21463585), (13, 19812540), (15, 17170868), (20, 12878151), (22, 11707410), (26, 9906270), (30, 8585434), (33, 7804940), (39, 6604180), (44, 5853705), (52, 4953135), (55, 4682964), (60, 4292717), (65, 3962508), (66, 3902470), (78, 3302090), (110, 2341482), (121, 2128620), (130, 1981254), (132, 1951235), (143, 1801140), (156, 1651045), (165, 1560988), (195, 1320836), (220, 1170741), (242, 1064310), (260, 990627), (286, 900570), (330, 780494), (363, 709540), (390, 660418), (429, 600380), (484, 532155), (572, 450285), (605, 425724), (660, 390247), (715, 360228), (726, 354770), (780, 330209), (858, 300190), (1210, 212862), (1430, 180114), (1452, 177385), (1573, 163740), (1716, 150095), (1815, 141908), (2145, 120076), (2420, 106431), (2729, 94380), (2860, 90057), (3146, 81870), (3630, 70954), (4290, 60038), (4719, 54580), (5458, 47190), (6292, 40935), (7260, 35477), (7865, 32748), (8187, 31460), (8580, 30019), (9438, 27290), (10916, 23595), (13645, 18876), (15730, 16374)]