1901571840

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{23581}}^1$

素因数の和:23615

約数の個数: 216

約数和(自身を含む): 7519450848

約数和(自身を除く): 5617879008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 23581, 26880, 40320, 47162, 70743, 80640, 94324, 117905, 141486, 165067, 188648, 212229, 235810, 282972, 330134, 353715, 377296, 424458, 471620, 495201, 565944, 660268, 707430, 754592, 825335, 848916, 943240, 990402, 1061145, 1131888, 1320536, 1414860, 1485603, 1509184, 1650670, 1697832, 1886480, 1980804, 2122290, 2263776, 2476005, 2641072, 2829720, 2971206, 3018368, 3301340, 3395664, 3772960, 3961608, 4244580, 4527552, 4952010, 5282144, 5659440, 5942412, 6036736, 6602680, 6791328, 7428015, 7545920, 7923216, 8489160, 9055104, 9904020, 10564288, 11318880, 11884824, 13205360, 13582656, 14856030, 15091840, 15846432, 16978320, 18110208, 19808040, 21128576, 22637760, 23769648, 26410720, 27165312, 29712060, 30183680, 31692864, 33956640, 39616080, 42257152, 45275520, 47539296, 52821440, 54330624, 59424120, 63385728, 67913280, 79232160, 90551040, 95078592, 105642880, 118848240, 126771456, 135826560, 158464320, 190157184, 211285760, 237696480, 271653120, 316928640, 380314368, 475392960, 633857280, 950785920, 1901571840]

約数ペア:

[(1, 1901571840), (2, 950785920), (3, 633857280), (4, 475392960), (5, 380314368), (6, 316928640), (7, 271653120), (8, 237696480), (9, 211285760), (10, 190157184), (12, 158464320), (14, 135826560), (15, 126771456), (16, 118848240), (18, 105642880), (20, 95078592), (21, 90551040), (24, 79232160), (28, 67913280), (30, 63385728), (32, 59424120), (35, 54330624), (36, 52821440), (40, 47539296), (42, 45275520), (45, 42257152), (48, 39616080), (56, 33956640), (60, 31692864), (63, 30183680), (64, 29712060), (70, 27165312), (72, 26410720), (80, 23769648), (84, 22637760), (90, 21128576), (96, 19808040), (105, 18110208), (112, 16978320), (120, 15846432), (126, 15091840), (128, 14856030), (140, 13582656), (144, 13205360), (160, 11884824), (168, 11318880), (180, 10564288), (192, 9904020), (210, 9055104), (224, 8489160), (240, 7923216), (252, 7545920), (256, 7428015), (280, 6791328), (288, 6602680), (315, 6036736), (320, 5942412), (336, 5659440), (360, 5282144), (384, 4952010), (420, 4527552), (448, 4244580), (480, 3961608), (504, 3772960), (560, 3395664), (576, 3301340), (630, 3018368), (640, 2971206), (672, 2829720), (720, 2641072), (768, 2476005), (840, 2263776), (896, 2122290), (960, 1980804), (1008, 1886480), (1120, 1697832), (1152, 1650670), (1260, 1509184), (1280, 1485603), (1344, 1414860), (1440, 1320536), (1680, 1131888), (1792, 1061145), (1920, 990402), (2016, 943240), (2240, 848916), (2304, 825335), (2520, 754592), (2688, 707430), (2880, 660268), (3360, 565944), (3840, 495201), (4032, 471620), (4480, 424458), (5040, 377296), (5376, 353715), (5760, 330134), (6720, 282972), (8064, 235810), (8960, 212229), (10080, 188648), (11520, 165067), (13440, 141486), (16128, 117905), (20160, 94324), (23581, 80640), (26880, 70743), (40320, 47162)]