620263980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:770

約数の個数: 240

約数和(自身を含む): 2253968640

約数和(自身を除く): 1633704660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 83, 84, 90, 105, 108, 126, 135, 140, 162, 166, 180, 189, 210, 249, 252, 270, 315, 324, 332, 378, 405, 415, 420, 498, 540, 567, 581, 630, 659, 747, 756, 810, 830, 945, 996, 1134, 1162, 1245, 1260, 1318, 1494, 1620, 1660, 1743, 1890, 1977, 2241, 2268, 2324, 2490, 2636, 2835, 2905, 2988, 3295, 3486, 3735, 3780, 3954, 4482, 4613, 4980, 5229, 5670, 5810, 5931, 6590, 6723, 6972, 7470, 7908, 8715, 8964, 9226, 9885, 10458, 11205, 11340, 11620, 11862, 13180, 13446, 13839, 14940, 15687, 17430, 17793, 18452, 19770, 20916, 22410, 23065, 23724, 26145, 26892, 27678, 29655, 31374, 33615, 34860, 35586, 39540, 41517, 44820, 46130, 47061, 52290, 53379, 54697, 55356, 59310, 62748, 67230, 69195, 71172, 78435, 83034, 88965, 92260, 94122, 104580, 106758, 109394, 118620, 124551, 134460, 138390, 156870, 164091, 166068, 177930, 188244, 207585, 213516, 218788, 235305, 249102, 266895, 273485, 276780, 313740, 328182, 355860, 373653, 382879, 415170, 470610, 492273, 498204, 533790, 546970, 622755, 656364, 747306, 765758, 820455, 830340, 941220, 984546, 1067580, 1093940, 1148637, 1245510, 1476819, 1494612, 1531516, 1640910, 1868265, 1914395, 1969092, 2297274, 2461365, 2491020, 2953638, 3281820, 3445911, 3736530, 3828790, 4430457, 4594548, 4922730, 5743185, 5907276, 6891822, 7384095, 7473060, 7657580, 8860914, 9845460, 10337733, 11486370, 13783644, 14768190, 17229555, 17721828, 20675466, 22152285, 22972740, 29536380, 31013199, 34459110, 41350932, 44304570, 51688665, 62026398, 68918220, 88609140, 103377330, 124052796, 155065995, 206754660, 310131990, 620263980]

約数ペア:

[(1, 620263980), (2, 310131990), (3, 206754660), (4, 155065995), (5, 124052796), (6, 103377330), (7, 88609140), (9, 68918220), (10, 62026398), (12, 51688665), (14, 44304570), (15, 41350932), (18, 34459110), (20, 31013199), (21, 29536380), (27, 22972740), (28, 22152285), (30, 20675466), (35, 17721828), (36, 17229555), (42, 14768190), (45, 13783644), (54, 11486370), (60, 10337733), (63, 9845460), (70, 8860914), (81, 7657580), (83, 7473060), (84, 7384095), (90, 6891822), (105, 5907276), (108, 5743185), (126, 4922730), (135, 4594548), (140, 4430457), (162, 3828790), (166, 3736530), (180, 3445911), (189, 3281820), (210, 2953638), (249, 2491020), (252, 2461365), (270, 2297274), (315, 1969092), (324, 1914395), (332, 1868265), (378, 1640910), (405, 1531516), (415, 1494612), (420, 1476819), (498, 1245510), (540, 1148637), (567, 1093940), (581, 1067580), (630, 984546), (659, 941220), (747, 830340), (756, 820455), (810, 765758), (830, 747306), (945, 656364), (996, 622755), (1134, 546970), (1162, 533790), (1245, 498204), (1260, 492273), (1318, 470610), (1494, 415170), (1620, 382879), (1660, 373653), (1743, 355860), (1890, 328182), (1977, 313740), (2241, 276780), (2268, 273485), (2324, 266895), (2490, 249102), (2636, 235305), (2835, 218788), (2905, 213516), (2988, 207585), (3295, 188244), (3486, 177930), (3735, 166068), (3780, 164091), (3954, 156870), (4482, 138390), (4613, 134460), (4980, 124551), (5229, 118620), (5670, 109394), (5810, 106758), (5931, 104580), (6590, 94122), (6723, 92260), (6972, 88965), (7470, 83034), (7908, 78435), (8715, 71172), (8964, 69195), (9226, 67230), (9885, 62748), (10458, 59310), (11205, 55356), (11340, 54697), (11620, 53379), (11862, 52290), (13180, 47061), (13446, 46130), (13839, 44820), (14940, 41517), (15687, 39540), (17430, 35586), (17793, 34860), (18452, 33615), (19770, 31374), (20916, 29655), (22410, 27678), (23065, 26892), (23724, 26145)]