640283200

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 168

約数和(自身を含む): 1669036032

約数和(自身を除く): 1028752832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 127, 137, 160, 184, 200, 230, 254, 274, 320, 368, 400, 460, 508, 548, 575, 635, 685, 736, 800, 920, 1016, 1096, 1150, 1270, 1370, 1472, 1600, 1840, 2032, 2192, 2300, 2540, 2740, 2921, 3151, 3175, 3425, 3680, 4064, 4384, 4600, 5080, 5480, 5842, 6302, 6350, 6850, 7360, 8128, 8768, 9200, 10160, 10960, 11684, 12604, 12700, 13700, 14605, 15755, 17399, 18400, 20320, 21920, 23368, 25208, 25400, 27400, 29210, 31510, 34798, 36800, 40640, 43840, 46736, 50416, 50800, 54800, 58420, 63020, 69596, 73025, 78775, 86995, 93472, 100832, 101600, 109600, 116840, 126040, 139192, 146050, 157550, 173990, 186944, 201664, 203200, 219200, 233680, 252080, 278384, 292100, 315100, 347980, 400177, 434975, 467360, 504160, 556768, 584200, 630200, 695960, 800354, 869950, 934720, 1008320, 1113536, 1168400, 1260400, 1391920, 1600708, 1739900, 2000885, 2336800, 2520800, 2783840, 3201416, 3479800, 4001770, 4673600, 5041600, 5567680, 6402832, 6959600, 8003540, 10004425, 12805664, 13919200, 16007080, 20008850, 25611328, 27838400, 32014160, 40017700, 64028320, 80035400, 128056640, 160070800, 320141600, 640283200]

約数ペア:

[(1, 640283200), (2, 320141600), (4, 160070800), (5, 128056640), (8, 80035400), (10, 64028320), (16, 40017700), (20, 32014160), (23, 27838400), (25, 25611328), (32, 20008850), (40, 16007080), (46, 13919200), (50, 12805664), (64, 10004425), (80, 8003540), (92, 6959600), (100, 6402832), (115, 5567680), (127, 5041600), (137, 4673600), (160, 4001770), (184, 3479800), (200, 3201416), (230, 2783840), (254, 2520800), (274, 2336800), (320, 2000885), (368, 1739900), (400, 1600708), (460, 1391920), (508, 1260400), (548, 1168400), (575, 1113536), (635, 1008320), (685, 934720), (736, 869950), (800, 800354), (920, 695960), (1016, 630200), (1096, 584200), (1150, 556768), (1270, 504160), (1370, 467360), (1472, 434975), (1600, 400177), (1840, 347980), (2032, 315100), (2192, 292100), (2300, 278384), (2540, 252080), (2740, 233680), (2921, 219200), (3151, 203200), (3175, 201664), (3425, 186944), (3680, 173990), (4064, 157550), (4384, 146050), (4600, 139192), (5080, 126040), (5480, 116840), (5842, 109600), (6302, 101600), (6350, 100832), (6850, 93472), (7360, 86995), (8128, 78775), (8768, 73025), (9200, 69596), (10160, 63020), (10960, 58420), (11684, 54800), (12604, 50800), (12700, 50416), (13700, 46736), (14605, 43840), (15755, 40640), (17399, 36800), (18400, 34798), (20320, 31510), (21920, 29210), (23368, 27400), (25208, 25400)]