1648208000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3383

約数の個数: 128

約数和(自身を含む): 4231319040

約数和(自身を除く): 2583111040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 640, 775, 800, 992, 1000, 1240, 1550, 1600, 1984, 2000, 2480, 3100, 3200, 3323, 3875, 3968, 4000, 4960, 6200, 6646, 7750, 8000, 9920, 12400, 13292, 15500, 16000, 16615, 19840, 24800, 26584, 31000, 33230, 49600, 53168, 62000, 66460, 83075, 99200, 103013, 106336, 124000, 132920, 166150, 206026, 212672, 248000, 265840, 332300, 412052, 415375, 425344, 496000, 515065, 531680, 664600, 824104, 830750, 1030130, 1063360, 1329200, 1648208, 1661500, 2060260, 2126720, 2575325, 2658400, 3296416, 3323000, 4120520, 5150650, 5316800, 6592832, 6646000, 8241040, 10301300, 10633600, 12876625, 13185664, 13292000, 16482080, 20602600, 25753250, 26584000, 32964160, 41205200, 51506500, 53168000, 65928320, 82410400, 103013000, 164820800, 206026000, 329641600, 412052000, 824104000, 1648208000]

約数ペア:

[(1, 1648208000), (2, 824104000), (4, 412052000), (5, 329641600), (8, 206026000), (10, 164820800), (16, 103013000), (20, 82410400), (25, 65928320), (31, 53168000), (32, 51506500), (40, 41205200), (50, 32964160), (62, 26584000), (64, 25753250), (80, 20602600), (100, 16482080), (124, 13292000), (125, 13185664), (128, 12876625), (155, 10633600), (160, 10301300), (200, 8241040), (248, 6646000), (250, 6592832), (310, 5316800), (320, 5150650), (400, 4120520), (496, 3323000), (500, 3296416), (620, 2658400), (640, 2575325), (775, 2126720), (800, 2060260), (992, 1661500), (1000, 1648208), (1240, 1329200), (1550, 1063360), (1600, 1030130), (1984, 830750), (2000, 824104), (2480, 664600), (3100, 531680), (3200, 515065), (3323, 496000), (3875, 425344), (3968, 415375), (4000, 412052), (4960, 332300), (6200, 265840), (6646, 248000), (7750, 212672), (8000, 206026), (9920, 166150), (12400, 132920), (13292, 124000), (15500, 106336), (16000, 103013), (16615, 99200), (19840, 83075), (24800, 66460), (26584, 62000), (31000, 53168), (33230, 49600)]