126880520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 336752640

約数和(自身を除く): 209872120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 310, 340, 403, 442, 463, 520, 527, 620, 680, 806, 884, 926, 1054, 1105, 1240, 1612, 1768, 1852, 2015, 2108, 2210, 2315, 2635, 3224, 3704, 4030, 4216, 4420, 4630, 5270, 6019, 6851, 7871, 8060, 8840, 9260, 10540, 12038, 13702, 14353, 15742, 16120, 18520, 21080, 24076, 27404, 28706, 30095, 31484, 34255, 39355, 48152, 54808, 57412, 60190, 62968, 68510, 71765, 78710, 102323, 114824, 120380, 137020, 143530, 157420, 186589, 204646, 240760, 244001, 274040, 287060, 314840, 373178, 409292, 488002, 511615, 574120, 746356, 818584, 932945, 976004, 1023230, 1220005, 1492712, 1865890, 1952008, 2046460, 2440010, 3172013, 3731780, 4092920, 4880020, 6344026, 7463560, 9760040, 12688052, 15860065, 25376104, 31720130, 63440260, 126880520]

約数ペア:

[(1, 126880520), (2, 63440260), (4, 31720130), (5, 25376104), (8, 15860065), (10, 12688052), (13, 9760040), (17, 7463560), (20, 6344026), (26, 4880020), (31, 4092920), (34, 3731780), (40, 3172013), (52, 2440010), (62, 2046460), (65, 1952008), (68, 1865890), (85, 1492712), (104, 1220005), (124, 1023230), (130, 976004), (136, 932945), (155, 818584), (170, 746356), (221, 574120), (248, 511615), (260, 488002), (310, 409292), (340, 373178), (403, 314840), (442, 287060), (463, 274040), (520, 244001), (527, 240760), (620, 204646), (680, 186589), (806, 157420), (884, 143530), (926, 137020), (1054, 120380), (1105, 114824), (1240, 102323), (1612, 78710), (1768, 71765), (1852, 68510), (2015, 62968), (2108, 60190), (2210, 57412), (2315, 54808), (2635, 48152), (3224, 39355), (3704, 34255), (4030, 31484), (4216, 30095), (4420, 28706), (4630, 27404), (5270, 24076), (6019, 21080), (6851, 18520), (7871, 16120), (8060, 15742), (8840, 14353), (9260, 13702), (10540, 12038)]