1390240880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1615

約数の個数: 160

約数和(自身を含む): 3887751168

約数和(自身を除く): 2497510288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 80, 106, 112, 124, 140, 155, 212, 217, 248, 265, 280, 310, 371, 424, 434, 496, 530, 560, 620, 742, 848, 868, 1060, 1085, 1240, 1484, 1511, 1643, 1736, 1855, 2120, 2170, 2480, 2968, 3022, 3286, 3472, 3710, 4240, 4340, 5936, 6044, 6572, 7420, 7555, 8215, 8680, 10577, 11501, 12088, 13144, 14840, 15110, 16430, 17360, 21154, 23002, 24176, 26288, 29680, 30220, 32860, 42308, 46004, 46841, 52885, 57505, 60440, 65720, 80083, 84616, 92008, 93682, 105770, 115010, 120880, 131440, 160166, 169232, 184016, 187364, 211540, 230020, 234205, 320332, 327887, 374728, 400415, 423080, 460040, 468410, 560581, 640664, 655774, 749456, 800830, 846160, 920080, 936820, 1121162, 1281328, 1311548, 1601660, 1639435, 1873640, 2242324, 2482573, 2623096, 2802905, 3203320, 3278870, 3747280, 4484648, 4965146, 5246192, 5605810, 6406640, 6557740, 8969296, 9930292, 11211620, 12412865, 13115480, 17378011, 19860584, 22423240, 24825730, 26230960, 34756022, 39721168, 44846480, 49651460, 69512044, 86890055, 99302920, 139024088, 173780110, 198605840, 278048176, 347560220, 695120440, 1390240880]

約数ペア:

[(1, 1390240880), (2, 695120440), (4, 347560220), (5, 278048176), (7, 198605840), (8, 173780110), (10, 139024088), (14, 99302920), (16, 86890055), (20, 69512044), (28, 49651460), (31, 44846480), (35, 39721168), (40, 34756022), (53, 26230960), (56, 24825730), (62, 22423240), (70, 19860584), (80, 17378011), (106, 13115480), (112, 12412865), (124, 11211620), (140, 9930292), (155, 8969296), (212, 6557740), (217, 6406640), (248, 5605810), (265, 5246192), (280, 4965146), (310, 4484648), (371, 3747280), (424, 3278870), (434, 3203320), (496, 2802905), (530, 2623096), (560, 2482573), (620, 2242324), (742, 1873640), (848, 1639435), (868, 1601660), (1060, 1311548), (1085, 1281328), (1240, 1121162), (1484, 936820), (1511, 920080), (1643, 846160), (1736, 800830), (1855, 749456), (2120, 655774), (2170, 640664), (2480, 560581), (2968, 468410), (3022, 460040), (3286, 423080), (3472, 400415), (3710, 374728), (4240, 327887), (4340, 320332), (5936, 234205), (6044, 230020), (6572, 211540), (7420, 187364), (7555, 184016), (8215, 169232), (8680, 160166), (10577, 131440), (11501, 120880), (12088, 115010), (13144, 105770), (14840, 93682), (15110, 92008), (16430, 84616), (17360, 80083), (21154, 65720), (23002, 60440), (24176, 57505), (26288, 52885), (29680, 46841), (30220, 46004), (32860, 42308)]