220971720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 690094080

約数和(自身を除く): 469122360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 191, 248, 310, 311, 372, 382, 465, 573, 620, 622, 744, 764, 930, 933, 955, 1146, 1240, 1244, 1528, 1555, 1860, 1866, 1910, 2292, 2488, 2865, 3110, 3720, 3732, 3820, 4584, 4665, 5730, 5921, 6220, 7464, 7640, 9330, 9641, 11460, 11842, 12440, 17763, 18660, 19282, 22920, 23684, 28923, 29605, 35526, 37320, 38564, 47368, 48205, 57846, 59210, 59401, 71052, 77128, 88815, 96410, 115692, 118420, 118802, 142104, 144615, 177630, 178203, 192820, 231384, 236840, 237604, 289230, 297005, 355260, 356406, 385640, 475208, 578460, 594010, 710520, 712812, 891015, 1156920, 1188020, 1425624, 1782030, 1841431, 2376040, 3564060, 3682862, 5524293, 7128120, 7365724, 9207155, 11048586, 14731448, 18414310, 22097172, 27621465, 36828620, 44194344, 55242930, 73657240, 110485860, 220971720]

約数ペア:

[(1, 220971720), (2, 110485860), (3, 73657240), (4, 55242930), (5, 44194344), (6, 36828620), (8, 27621465), (10, 22097172), (12, 18414310), (15, 14731448), (20, 11048586), (24, 9207155), (30, 7365724), (31, 7128120), (40, 5524293), (60, 3682862), (62, 3564060), (93, 2376040), (120, 1841431), (124, 1782030), (155, 1425624), (186, 1188020), (191, 1156920), (248, 891015), (310, 712812), (311, 710520), (372, 594010), (382, 578460), (465, 475208), (573, 385640), (620, 356406), (622, 355260), (744, 297005), (764, 289230), (930, 237604), (933, 236840), (955, 231384), (1146, 192820), (1240, 178203), (1244, 177630), (1528, 144615), (1555, 142104), (1860, 118802), (1866, 118420), (1910, 115692), (2292, 96410), (2488, 88815), (2865, 77128), (3110, 71052), (3720, 59401), (3732, 59210), (3820, 57846), (4584, 48205), (4665, 47368), (5730, 38564), (5921, 37320), (6220, 35526), (7464, 29605), (7640, 28923), (9330, 23684), (9641, 22920), (11460, 19282), (11842, 18660), (12440, 17763)]