215065600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 132

約数和(自身を含む): 552329728

約数和(自身を除く): 337264128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 271, 310, 320, 400, 496, 512, 542, 620, 640, 775, 800, 992, 1024, 1084, 1240, 1280, 1355, 1550, 1600, 1984, 2168, 2480, 2560, 2710, 3100, 3200, 3968, 4336, 4960, 5120, 5420, 6200, 6400, 6775, 7936, 8401, 8672, 9920, 10840, 12400, 12800, 13550, 15872, 16802, 17344, 19840, 21680, 24800, 25600, 27100, 31744, 33604, 34688, 39680, 42005, 43360, 49600, 54200, 67208, 69376, 79360, 84010, 86720, 99200, 108400, 134416, 138752, 158720, 168020, 173440, 198400, 210025, 216800, 268832, 277504, 336040, 346880, 396800, 420050, 433600, 537664, 672080, 693760, 793600, 840100, 867200, 1075328, 1344160, 1387520, 1680200, 1734400, 2150656, 2688320, 3360400, 3468800, 4301312, 5376640, 6720800, 6937600, 8602624, 10753280, 13441600, 21506560, 26883200, 43013120, 53766400, 107532800, 215065600]

約数ペア:

[(1, 215065600), (2, 107532800), (4, 53766400), (5, 43013120), (8, 26883200), (10, 21506560), (16, 13441600), (20, 10753280), (25, 8602624), (31, 6937600), (32, 6720800), (40, 5376640), (50, 4301312), (62, 3468800), (64, 3360400), (80, 2688320), (100, 2150656), (124, 1734400), (128, 1680200), (155, 1387520), (160, 1344160), (200, 1075328), (248, 867200), (256, 840100), (271, 793600), (310, 693760), (320, 672080), (400, 537664), (496, 433600), (512, 420050), (542, 396800), (620, 346880), (640, 336040), (775, 277504), (800, 268832), (992, 216800), (1024, 210025), (1084, 198400), (1240, 173440), (1280, 168020), (1355, 158720), (1550, 138752), (1600, 134416), (1984, 108400), (2168, 99200), (2480, 86720), (2560, 84010), (2710, 79360), (3100, 69376), (3200, 67208), (3968, 54200), (4336, 49600), (4960, 43360), (5120, 42005), (5420, 39680), (6200, 34688), (6400, 33604), (6775, 31744), (7936, 27100), (8401, 25600), (8672, 24800), (9920, 21680), (10840, 19840), (12400, 17344), (12800, 16802), (13550, 15872)]