561540420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6277}}^1$

素因数の和:6370

約数の個数: 144

約数和(自身を含む): 1974405888

約数和(自身を除く): 1412865468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2982, 3195, 4260, 4473, 4970, 5964, 6277, 6390, 7455, 8946, 9940, 12554, 12780, 14910, 17892, 18831, 22365, 25108, 29820, 31385, 37662, 43939, 44730, 56493, 62770, 75324, 87878, 89460, 94155, 112986, 125540, 131817, 175756, 188310, 219695, 225972, 263634, 282465, 376620, 395451, 439390, 445667, 527268, 564930, 659085, 790902, 878780, 891334, 1129860, 1318170, 1337001, 1581804, 1782668, 1977255, 2228335, 2636340, 2674002, 3119669, 3954510, 4011003, 4456670, 5348004, 6239338, 6685005, 7909020, 8022006, 8913340, 9359007, 12478676, 13370010, 15598345, 16044012, 18718014, 20055015, 26740020, 28077021, 31196690, 37436028, 40110030, 46795035, 56154042, 62393380, 80220060, 93590070, 112308084, 140385105, 187180140, 280770210, 561540420]

約数ペア:

[(1, 561540420), (2, 280770210), (3, 187180140), (4, 140385105), (5, 112308084), (6, 93590070), (7, 80220060), (9, 62393380), (10, 56154042), (12, 46795035), (14, 40110030), (15, 37436028), (18, 31196690), (20, 28077021), (21, 26740020), (28, 20055015), (30, 18718014), (35, 16044012), (36, 15598345), (42, 13370010), (45, 12478676), (60, 9359007), (63, 8913340), (70, 8022006), (71, 7909020), (84, 6685005), (90, 6239338), (105, 5348004), (126, 4456670), (140, 4011003), (142, 3954510), (180, 3119669), (210, 2674002), (213, 2636340), (252, 2228335), (284, 1977255), (315, 1782668), (355, 1581804), (420, 1337001), (426, 1318170), (497, 1129860), (630, 891334), (639, 878780), (710, 790902), (852, 659085), (994, 564930), (1065, 527268), (1260, 445667), (1278, 439390), (1420, 395451), (1491, 376620), (1988, 282465), (2130, 263634), (2485, 225972), (2556, 219695), (2982, 188310), (3195, 175756), (4260, 131817), (4473, 125540), (4970, 112986), (5964, 94155), (6277, 89460), (6390, 87878), (7455, 75324), (8946, 62770), (9940, 56493), (12554, 44730), (12780, 43939), (14910, 37662), (17892, 31385), (18831, 29820), (22365, 25108)]