328775160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{391399}}^1$

素因数の和:391420

約数の個数: 64

約数和(自身を含む): 1127232000

約数和(自身を除く): 798456840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 391399, 782798, 1174197, 1565596, 1956995, 2348394, 2739793, 3131192, 3913990, 4696788, 5479586, 5870985, 7827980, 8219379, 9393576, 10959172, 11741970, 13698965, 15655960, 16438758, 21918344, 23483940, 27397930, 32877516, 41096895, 46967880, 54795860, 65755032, 82193790, 109591720, 164387580, 328775160]

約数ペア:

[(1, 328775160), (2, 164387580), (3, 109591720), (4, 82193790), (5, 65755032), (6, 54795860), (7, 46967880), (8, 41096895), (10, 32877516), (12, 27397930), (14, 23483940), (15, 21918344), (20, 16438758), (21, 15655960), (24, 13698965), (28, 11741970), (30, 10959172), (35, 9393576), (40, 8219379), (42, 7827980), (56, 5870985), (60, 5479586), (70, 4696788), (84, 3913990), (105, 3131192), (120, 2739793), (140, 2348394), (168, 1956995), (210, 1565596), (280, 1174197), (420, 782798), (840, 391399)]