64877440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 168544800

約数和(自身を除く): 103667360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 67, 68, 80, 85, 89, 128, 134, 136, 160, 170, 178, 268, 272, 320, 335, 340, 356, 445, 536, 544, 640, 670, 680, 712, 890, 1072, 1088, 1139, 1340, 1360, 1424, 1513, 1780, 2144, 2176, 2278, 2680, 2720, 2848, 3026, 3560, 4288, 4556, 5360, 5440, 5695, 5696, 5963, 6052, 7120, 7565, 8576, 9112, 10720, 10880, 11390, 11392, 11926, 12104, 14240, 15130, 18224, 21440, 22780, 23852, 24208, 28480, 29815, 30260, 36448, 42880, 45560, 47704, 48416, 56960, 59630, 60520, 72896, 91120, 95408, 96832, 101371, 119260, 121040, 145792, 182240, 190816, 193664, 202742, 238520, 242080, 364480, 381632, 405484, 477040, 484160, 506855, 728960, 763264, 810968, 954080, 968320, 1013710, 1621936, 1908160, 2027420, 3243872, 3816320, 4054840, 6487744, 8109680, 12975488, 16219360, 32438720, 64877440]

約数ペア:

[(1, 64877440), (2, 32438720), (4, 16219360), (5, 12975488), (8, 8109680), (10, 6487744), (16, 4054840), (17, 3816320), (20, 3243872), (32, 2027420), (34, 1908160), (40, 1621936), (64, 1013710), (67, 968320), (68, 954080), (80, 810968), (85, 763264), (89, 728960), (128, 506855), (134, 484160), (136, 477040), (160, 405484), (170, 381632), (178, 364480), (268, 242080), (272, 238520), (320, 202742), (335, 193664), (340, 190816), (356, 182240), (445, 145792), (536, 121040), (544, 119260), (640, 101371), (670, 96832), (680, 95408), (712, 91120), (890, 72896), (1072, 60520), (1088, 59630), (1139, 56960), (1340, 48416), (1360, 47704), (1424, 45560), (1513, 42880), (1780, 36448), (2144, 30260), (2176, 29815), (2278, 28480), (2680, 24208), (2720, 23852), (2848, 22780), (3026, 21440), (3560, 18224), (4288, 15130), (4556, 14240), (5360, 12104), (5440, 11926), (5695, 11392), (5696, 11390), (5963, 10880), (6052, 10720), (7120, 9112), (7565, 8576)]