208786860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 702662688

約数和(自身を除く): 493875828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 71, 85, 90, 93, 102, 124, 142, 153, 155, 170, 180, 186, 204, 213, 255, 279, 284, 306, 310, 340, 355, 372, 426, 465, 510, 527, 558, 612, 620, 639, 710, 765, 852, 930, 961, 1020, 1054, 1065, 1116, 1207, 1278, 1395, 1420, 1530, 1581, 1860, 1922, 2108, 2130, 2201, 2414, 2556, 2635, 2790, 2883, 3060, 3162, 3195, 3621, 3844, 4260, 4402, 4743, 4805, 4828, 5270, 5580, 5766, 6035, 6324, 6390, 6603, 7242, 7905, 8649, 8804, 9486, 9610, 10540, 10863, 11005, 11532, 12070, 12780, 13206, 14415, 14484, 15810, 16337, 17298, 18105, 18972, 19220, 19809, 21726, 22010, 23715, 24140, 26412, 28830, 31620, 32674, 33015, 34596, 36210, 37417, 39618, 43245, 43452, 44020, 47430, 49011, 54315, 57660, 65348, 66030, 68231, 72420, 74834, 79236, 81685, 86490, 94860, 98022, 99045, 108630, 112251, 132060, 136462, 147033, 149668, 163370, 172980, 187085, 196044, 198090, 204693, 217260, 224502, 245055, 272924, 294066, 326740, 336753, 341155, 374170, 396180, 409386, 449004, 490110, 561255, 588132, 614079, 673506, 682310, 735165, 748340, 818772, 980220, 1023465, 1122510, 1159927, 1228158, 1347012, 1364620, 1470330, 1683765, 2046930, 2245020, 2319854, 2456316, 2940660, 3070395, 3367530, 3479781, 4093860, 4639708, 5799635, 6140790, 6735060, 6959562, 10439343, 11599270, 12281580, 13919124, 17398905, 20878686, 23198540, 34797810, 41757372, 52196715, 69595620, 104393430, 208786860]

約数ペア:

[(1, 208786860), (2, 104393430), (3, 69595620), (4, 52196715), (5, 41757372), (6, 34797810), (9, 23198540), (10, 20878686), (12, 17398905), (15, 13919124), (17, 12281580), (18, 11599270), (20, 10439343), (30, 6959562), (31, 6735060), (34, 6140790), (36, 5799635), (45, 4639708), (51, 4093860), (60, 3479781), (62, 3367530), (68, 3070395), (71, 2940660), (85, 2456316), (90, 2319854), (93, 2245020), (102, 2046930), (124, 1683765), (142, 1470330), (153, 1364620), (155, 1347012), (170, 1228158), (180, 1159927), (186, 1122510), (204, 1023465), (213, 980220), (255, 818772), (279, 748340), (284, 735165), (306, 682310), (310, 673506), (340, 614079), (355, 588132), (372, 561255), (426, 490110), (465, 449004), (510, 409386), (527, 396180), (558, 374170), (612, 341155), (620, 336753), (639, 326740), (710, 294066), (765, 272924), (852, 245055), (930, 224502), (961, 217260), (1020, 204693), (1054, 198090), (1065, 196044), (1116, 187085), (1207, 172980), (1278, 163370), (1395, 149668), (1420, 147033), (1530, 136462), (1581, 132060), (1860, 112251), (1922, 108630), (2108, 99045), (2130, 98022), (2201, 94860), (2414, 86490), (2556, 81685), (2635, 79236), (2790, 74834), (2883, 72420), (3060, 68231), (3162, 66030), (3195, 65348), (3621, 57660), (3844, 54315), (4260, 49011), (4402, 47430), (4743, 44020), (4805, 43452), (4828, 43245), (5270, 39618), (5580, 37417), (5766, 36210), (6035, 34596), (6324, 33015), (6390, 32674), (6603, 31620), (7242, 28830), (7905, 26412), (8649, 24140), (8804, 23715), (9486, 22010), (9610, 21726), (10540, 19809), (10863, 19220), (11005, 18972), (11532, 18105), (12070, 17298), (12780, 16337), (13206, 15810), (14415, 14484)]