1320866640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4621}}^1$

素因数の和:5037

約数の個数: 120

約数和(自身を含む): 4448046408

約数和(自身を除く): 3127179768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 397, 720, 794, 1191, 1588, 1985, 2382, 3176, 3573, 3970, 4621, 4764, 5955, 6352, 7146, 7940, 9242, 9528, 11910, 13863, 14292, 15880, 17865, 18484, 19056, 23105, 23820, 27726, 28584, 31760, 35730, 36968, 41589, 46210, 47640, 55452, 57168, 69315, 71460, 73936, 83178, 92420, 95280, 110904, 138630, 142920, 166356, 184840, 207945, 221808, 277260, 285840, 332712, 369680, 415890, 554520, 665424, 831780, 1109040, 1663560, 1834537, 3327120, 3669074, 5503611, 7338148, 9172685, 11007222, 14676296, 16510833, 18345370, 22014444, 27518055, 29352592, 33021666, 36690740, 44028888, 55036110, 66043332, 73381480, 82554165, 88057776, 110072220, 132086664, 146762960, 165108330, 220144440, 264173328, 330216660, 440288880, 660433320, 1320866640]

約数ペア:

[(1, 1320866640), (2, 660433320), (3, 440288880), (4, 330216660), (5, 264173328), (6, 220144440), (8, 165108330), (9, 146762960), (10, 132086664), (12, 110072220), (15, 88057776), (16, 82554165), (18, 73381480), (20, 66043332), (24, 55036110), (30, 44028888), (36, 36690740), (40, 33021666), (45, 29352592), (48, 27518055), (60, 22014444), (72, 18345370), (80, 16510833), (90, 14676296), (120, 11007222), (144, 9172685), (180, 7338148), (240, 5503611), (360, 3669074), (397, 3327120), (720, 1834537), (794, 1663560), (1191, 1109040), (1588, 831780), (1985, 665424), (2382, 554520), (3176, 415890), (3573, 369680), (3970, 332712), (4621, 285840), (4764, 277260), (5955, 221808), (6352, 207945), (7146, 184840), (7940, 166356), (9242, 142920), (9528, 138630), (11910, 110904), (13863, 95280), (14292, 92420), (15880, 83178), (17865, 73936), (18484, 71460), (19056, 69315), (23105, 57168), (23820, 55452), (27726, 47640), (28584, 46210), (31760, 41589), (35730, 36968)]