251422920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{4751}}^1$

素因数の和:4785

約数の個数: 192

約数和(自身を含む): 975110400

約数和(自身を除く): 723687480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 4751, 5292, 5880, 6615, 7560, 8820, 9502, 10584, 13230, 14253, 17640, 19004, 23755, 26460, 28506, 33257, 38008, 42759, 47510, 52920, 57012, 66514, 71265, 85518, 95020, 99771, 114024, 128277, 133028, 142530, 166285, 171036, 190040, 199542, 213795, 232799, 256554, 266056, 285060, 299313, 332570, 342072, 399084, 427590, 465598, 498855, 513108, 570120, 598626, 641385, 665140, 698397, 798168, 855180, 897939, 931196, 997710, 1026216, 1163995, 1197252, 1282770, 1330280, 1396794, 1496565, 1710360, 1795878, 1862392, 1995420, 2095191, 2327990, 2394504, 2565540, 2793588, 2993130, 3491985, 3591756, 3990840, 4190382, 4489695, 4655980, 5131080, 5587176, 5986260, 6285573, 6983970, 7183512, 8380764, 8979390, 9311960, 10475955, 11972520, 12571146, 13967940, 16761528, 17958780, 20951910, 25142292, 27935880, 31427865, 35917560, 41903820, 50284584, 62855730, 83807640, 125711460, 251422920]

約数ペア:

[(1, 251422920), (2, 125711460), (3, 83807640), (4, 62855730), (5, 50284584), (6, 41903820), (7, 35917560), (8, 31427865), (9, 27935880), (10, 25142292), (12, 20951910), (14, 17958780), (15, 16761528), (18, 13967940), (20, 12571146), (21, 11972520), (24, 10475955), (27, 9311960), (28, 8979390), (30, 8380764), (35, 7183512), (36, 6983970), (40, 6285573), (42, 5986260), (45, 5587176), (49, 5131080), (54, 4655980), (56, 4489695), (60, 4190382), (63, 3990840), (70, 3591756), (72, 3491985), (84, 2993130), (90, 2793588), (98, 2565540), (105, 2394504), (108, 2327990), (120, 2095191), (126, 1995420), (135, 1862392), (140, 1795878), (147, 1710360), (168, 1496565), (180, 1396794), (189, 1330280), (196, 1282770), (210, 1197252), (216, 1163995), (245, 1026216), (252, 997710), (270, 931196), (280, 897939), (294, 855180), (315, 798168), (360, 698397), (378, 665140), (392, 641385), (420, 598626), (441, 570120), (490, 513108), (504, 498855), (540, 465598), (588, 427590), (630, 399084), (735, 342072), (756, 332570), (840, 299313), (882, 285060), (945, 266056), (980, 256554), (1080, 232799), (1176, 213795), (1260, 199542), (1323, 190040), (1470, 171036), (1512, 166285), (1764, 142530), (1890, 133028), (1960, 128277), (2205, 114024), (2520, 99771), (2646, 95020), (2940, 85518), (3528, 71265), (3780, 66514), (4410, 57012), (4751, 52920), (5292, 47510), (5880, 42759), (6615, 38008), (7560, 33257), (8820, 28506), (9502, 26460), (10584, 23755), (13230, 19004), (14253, 17640)]