291183720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3671}}^1$

素因数の和:4346

約数の個数: 64

約数和(自身を含む): 875111040

約数和(自身を除く): 583927320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 661, 1322, 1983, 2644, 3305, 3671, 3966, 5288, 6610, 7342, 7932, 9915, 11013, 13220, 14684, 15864, 18355, 19830, 22026, 26440, 29368, 36710, 39660, 44052, 55065, 73420, 79320, 88104, 110130, 146840, 220260, 440520, 2426531, 4853062, 7279593, 9706124, 12132655, 14559186, 19412248, 24265310, 29118372, 36397965, 48530620, 58236744, 72795930, 97061240, 145591860, 291183720]

約数ペア:

[(1, 291183720), (2, 145591860), (3, 97061240), (4, 72795930), (5, 58236744), (6, 48530620), (8, 36397965), (10, 29118372), (12, 24265310), (15, 19412248), (20, 14559186), (24, 12132655), (30, 9706124), (40, 7279593), (60, 4853062), (120, 2426531), (661, 440520), (1322, 220260), (1983, 146840), (2644, 110130), (3305, 88104), (3671, 79320), (3966, 73420), (5288, 55065), (6610, 44052), (7342, 39660), (7932, 36710), (9915, 29368), (11013, 26440), (13220, 22026), (14684, 19830), (15864, 18355)]