251656440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17623}}^1$

素因数の和:17661

約数の個数: 128

約数和(自身を含む): 913628160

約数和(自身を除く): 661971720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 17623, 35246, 52869, 70492, 88115, 105738, 123361, 140984, 176230, 211476, 246722, 264345, 299591, 352460, 370083, 422952, 493444, 528690, 599182, 616805, 704920, 740166, 898773, 986888, 1057380, 1198364, 1233610, 1480332, 1497955, 1797546, 1850415, 2097137, 2114760, 2396728, 2467220, 2960664, 2995910, 3595092, 3700830, 4194274, 4493865, 4934440, 5991820, 6291411, 7190184, 7401660, 8388548, 8987730, 10485685, 11983640, 12582822, 14803320, 16777096, 17975460, 20971370, 25165644, 31457055, 35950920, 41942740, 50331288, 62914110, 83885480, 125828220, 251656440]

約数ペア:

[(1, 251656440), (2, 125828220), (3, 83885480), (4, 62914110), (5, 50331288), (6, 41942740), (7, 35950920), (8, 31457055), (10, 25165644), (12, 20971370), (14, 17975460), (15, 16777096), (17, 14803320), (20, 12582822), (21, 11983640), (24, 10485685), (28, 8987730), (30, 8388548), (34, 7401660), (35, 7190184), (40, 6291411), (42, 5991820), (51, 4934440), (56, 4493865), (60, 4194274), (68, 3700830), (70, 3595092), (84, 2995910), (85, 2960664), (102, 2467220), (105, 2396728), (119, 2114760), (120, 2097137), (136, 1850415), (140, 1797546), (168, 1497955), (170, 1480332), (204, 1233610), (210, 1198364), (238, 1057380), (255, 986888), (280, 898773), (340, 740166), (357, 704920), (408, 616805), (420, 599182), (476, 528690), (510, 493444), (595, 422952), (680, 370083), (714, 352460), (840, 299591), (952, 264345), (1020, 246722), (1190, 211476), (1428, 176230), (1785, 140984), (2040, 123361), (2380, 105738), (2856, 88115), (3570, 70492), (4760, 52869), (7140, 35246), (14280, 17623)]