18725520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 65245824

約数和(自身を除く): 46520304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 110, 120, 123, 132, 164, 165, 173, 176, 205, 220, 240, 246, 264, 328, 330, 346, 410, 440, 451, 492, 519, 528, 615, 656, 660, 692, 820, 865, 880, 902, 984, 1038, 1230, 1320, 1353, 1384, 1640, 1730, 1804, 1903, 1968, 2076, 2255, 2460, 2595, 2640, 2706, 2768, 3280, 3460, 3608, 3806, 4152, 4510, 4920, 5190, 5412, 5709, 6765, 6920, 7093, 7216, 7612, 8304, 9020, 9515, 9840, 10380, 10824, 11418, 13530, 13840, 14186, 15224, 18040, 19030, 20760, 21279, 21648, 22836, 27060, 28372, 28545, 30448, 35465, 36080, 38060, 41520, 42558, 45672, 54120, 56744, 57090, 70930, 76120, 78023, 85116, 91344, 106395, 108240, 113488, 114180, 141860, 152240, 156046, 170232, 212790, 228360, 234069, 283720, 312092, 340464, 390115, 425580, 456720, 468138, 567440, 624184, 780230, 851160, 936276, 1170345, 1248368, 1560460, 1702320, 1872552, 2340690, 3120920, 3745104, 4681380, 6241840, 9362760, 18725520]

約数ペア:

[(1, 18725520), (2, 9362760), (3, 6241840), (4, 4681380), (5, 3745104), (6, 3120920), (8, 2340690), (10, 1872552), (11, 1702320), (12, 1560460), (15, 1248368), (16, 1170345), (20, 936276), (22, 851160), (24, 780230), (30, 624184), (33, 567440), (40, 468138), (41, 456720), (44, 425580), (48, 390115), (55, 340464), (60, 312092), (66, 283720), (80, 234069), (82, 228360), (88, 212790), (110, 170232), (120, 156046), (123, 152240), (132, 141860), (164, 114180), (165, 113488), (173, 108240), (176, 106395), (205, 91344), (220, 85116), (240, 78023), (246, 76120), (264, 70930), (328, 57090), (330, 56744), (346, 54120), (410, 45672), (440, 42558), (451, 41520), (492, 38060), (519, 36080), (528, 35465), (615, 30448), (656, 28545), (660, 28372), (692, 27060), (820, 22836), (865, 21648), (880, 21279), (902, 20760), (984, 19030), (1038, 18040), (1230, 15224), (1320, 14186), (1353, 13840), (1384, 13530), (1640, 11418), (1730, 10824), (1804, 10380), (1903, 9840), (1968, 9515), (2076, 9020), (2255, 8304), (2460, 7612), (2595, 7216), (2640, 7093), (2706, 6920), (2768, 6765), (3280, 5709), (3460, 5412), (3608, 5190), (3806, 4920), (4152, 4510)]