280974960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{18583}}^1$

素因数の和:18612

約数の個数: 160

約数和(自身を含む): 1106119680

約数和(自身を除く): 825144720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 18583, 37166, 55749, 74332, 92915, 111498, 130081, 148664, 167247, 185830, 222996, 260162, 278745, 297328, 334494, 371660, 390243, 445992, 501741, 520324, 557490, 650405, 668988, 743320, 780486, 836235, 891984, 1003482, 1040648, 1114980, 1170729, 1300810, 1337976, 1486640, 1560972, 1672470, 1951215, 2006964, 2081296, 2229960, 2341458, 2508705, 2601620, 2675952, 3121944, 3344940, 3512187, 3902430, 4013928, 4459920, 4682916, 5017410, 5203240, 5853645, 6243888, 6689880, 7024374, 7804860, 8027856, 9365832, 10034820, 10406480, 11707290, 13379760, 14048748, 15609720, 17560935, 18731664, 20069640, 23414580, 28097496, 31219440, 35121870, 40139280, 46829160, 56194992, 70243740, 93658320, 140487480, 280974960]

約数ペア:

[(1, 280974960), (2, 140487480), (3, 93658320), (4, 70243740), (5, 56194992), (6, 46829160), (7, 40139280), (8, 35121870), (9, 31219440), (10, 28097496), (12, 23414580), (14, 20069640), (15, 18731664), (16, 17560935), (18, 15609720), (20, 14048748), (21, 13379760), (24, 11707290), (27, 10406480), (28, 10034820), (30, 9365832), (35, 8027856), (36, 7804860), (40, 7024374), (42, 6689880), (45, 6243888), (48, 5853645), (54, 5203240), (56, 5017410), (60, 4682916), (63, 4459920), (70, 4013928), (72, 3902430), (80, 3512187), (84, 3344940), (90, 3121944), (105, 2675952), (108, 2601620), (112, 2508705), (120, 2341458), (126, 2229960), (135, 2081296), (140, 2006964), (144, 1951215), (168, 1672470), (180, 1560972), (189, 1486640), (210, 1337976), (216, 1300810), (240, 1170729), (252, 1114980), (270, 1040648), (280, 1003482), (315, 891984), (336, 836235), (360, 780486), (378, 743320), (420, 668988), (432, 650405), (504, 557490), (540, 520324), (560, 501741), (630, 445992), (720, 390243), (756, 371660), (840, 334494), (945, 297328), (1008, 278745), (1080, 260162), (1260, 222996), (1512, 185830), (1680, 167247), (1890, 148664), (2160, 130081), (2520, 111498), (3024, 92915), (3780, 74332), (5040, 55749), (7560, 37166), (15120, 18583)]