1611680640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4261}}^1$

素因数の和:4480

約数の個数: 128

約数和(自身を含む): 5164521120

約数和(自身を除く): 3552840480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 320, 384, 394, 480, 591, 640, 788, 960, 985, 1182, 1576, 1920, 1970, 2364, 2955, 3152, 3940, 4261, 4728, 5910, 6304, 7880, 8522, 9456, 11820, 12608, 12783, 15760, 17044, 18912, 21305, 23640, 25216, 25566, 31520, 34088, 37824, 42610, 47280, 51132, 63040, 63915, 68176, 75648, 85220, 94560, 102264, 126080, 127830, 136352, 170440, 189120, 204528, 255660, 272704, 340880, 378240, 409056, 511320, 545408, 681760, 818112, 839417, 1022640, 1363520, 1636224, 1678834, 2045280, 2518251, 2727040, 3357668, 4090560, 4197085, 5036502, 6715336, 8181120, 8394170, 10073004, 12591255, 13430672, 16788340, 20146008, 25182510, 26861344, 33576680, 40292016, 50365020, 53722688, 67153360, 80584032, 100730040, 107445376, 134306720, 161168064, 201460080, 268613440, 322336128, 402920160, 537226880, 805840320, 1611680640]

約数ペア:

[(1, 1611680640), (2, 805840320), (3, 537226880), (4, 402920160), (5, 322336128), (6, 268613440), (8, 201460080), (10, 161168064), (12, 134306720), (15, 107445376), (16, 100730040), (20, 80584032), (24, 67153360), (30, 53722688), (32, 50365020), (40, 40292016), (48, 33576680), (60, 26861344), (64, 25182510), (80, 20146008), (96, 16788340), (120, 13430672), (128, 12591255), (160, 10073004), (192, 8394170), (197, 8181120), (240, 6715336), (320, 5036502), (384, 4197085), (394, 4090560), (480, 3357668), (591, 2727040), (640, 2518251), (788, 2045280), (960, 1678834), (985, 1636224), (1182, 1363520), (1576, 1022640), (1920, 839417), (1970, 818112), (2364, 681760), (2955, 545408), (3152, 511320), (3940, 409056), (4261, 378240), (4728, 340880), (5910, 272704), (6304, 255660), (7880, 204528), (8522, 189120), (9456, 170440), (11820, 136352), (12608, 127830), (12783, 126080), (15760, 102264), (17044, 94560), (18912, 85220), (21305, 75648), (23640, 68176), (25216, 63915), (25566, 63040), (31520, 51132), (34088, 47280), (37824, 42610)]