257400

素因数分解:

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

素因数の和:46

約数の個数: 144

約数和(自身を含む): 1015560

約数和(自身を除く): 758160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 25, 26, 30, 33, 36, 39, 40, 44, 45, 50, 52, 55, 60, 65, 66, 72, 75, 78, 88, 90, 99, 100, 104, 110, 117, 120, 130, 132, 143, 150, 156, 165, 180, 195, 198, 200, 220, 225, 234, 260, 264, 275, 286, 300, 312, 325, 330, 360, 390, 396, 429, 440, 450, 468, 495, 520, 550, 572, 585, 600, 650, 660, 715, 780, 792, 825, 858, 900, 936, 975, 990, 1100, 1144, 1170, 1287, 1300, 1320, 1430, 1560, 1650, 1716, 1800, 1950, 1980, 2145, 2200, 2340, 2475, 2574, 2600, 2860, 2925, 3300, 3432, 3575, 3900, 3960, 4290, 4680, 4950, 5148, 5720, 5850, 6435, 6600, 7150, 7800, 8580, 9900, 10296, 10725, 11700, 12870, 14300, 17160, 19800, 21450, 23400, 25740, 28600, 32175, 42900, 51480, 64350, 85800, 128700, 257400]

約数ペア:

[(1, 257400), (2, 128700), (3, 85800), (4, 64350), (5, 51480), (6, 42900), (8, 32175), (9, 28600), (10, 25740), (11, 23400), (12, 21450), (13, 19800), (15, 17160), (18, 14300), (20, 12870), (22, 11700), (24, 10725), (25, 10296), (26, 9900), (30, 8580), (33, 7800), (36, 7150), (39, 6600), (40, 6435), (44, 5850), (45, 5720), (50, 5148), (52, 4950), (55, 4680), (60, 4290), (65, 3960), (66, 3900), (72, 3575), (75, 3432), (78, 3300), (88, 2925), (90, 2860), (99, 2600), (100, 2574), (104, 2475), (110, 2340), (117, 2200), (120, 2145), (130, 1980), (132, 1950), (143, 1800), (150, 1716), (156, 1650), (165, 1560), (180, 1430), (195, 1320), (198, 1300), (200, 1287), (220, 1170), (225, 1144), (234, 1100), (260, 990), (264, 975), (275, 936), (286, 900), (300, 858), (312, 825), (325, 792), (330, 780), (360, 715), (390, 660), (396, 650), (429, 600), (440, 585), (450, 572), (468, 550), (495, 520)]