149888720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3244

約数の個数: 80

約数和(自身を含む): 378785280

約数和(自身を除く): 228896560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 3181, 4712, 5890, 6362, 9424, 11780, 12724, 15905, 23560, 25448, 31810, 47120, 50896, 60439, 63620, 98611, 120878, 127240, 197222, 241756, 254480, 302195, 394444, 483512, 493055, 604390, 788888, 967024, 986110, 1208780, 1577776, 1873609, 1972220, 2417560, 3747218, 3944440, 4835120, 7494436, 7888880, 9368045, 14988872, 18736090, 29977744, 37472180, 74944360, 149888720]

約数ペア:

[(1, 149888720), (2, 74944360), (4, 37472180), (5, 29977744), (8, 18736090), (10, 14988872), (16, 9368045), (19, 7888880), (20, 7494436), (31, 4835120), (38, 3944440), (40, 3747218), (62, 2417560), (76, 1972220), (80, 1873609), (95, 1577776), (124, 1208780), (152, 986110), (155, 967024), (190, 788888), (248, 604390), (304, 493055), (310, 483512), (380, 394444), (496, 302195), (589, 254480), (620, 241756), (760, 197222), (1178, 127240), (1240, 120878), (1520, 98611), (2356, 63620), (2480, 60439), (2945, 50896), (3181, 47120), (4712, 31810), (5890, 25448), (6362, 23560), (9424, 15905), (11780, 12724)]