153221460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{743}}^1$

素因数の和:1253

約数の個数: 96

約数和(自身を含む): 491968512

約数和(自身を除く): 338747052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 491, 743, 982, 1473, 1486, 1964, 2229, 2455, 2946, 2972, 3437, 3715, 4458, 4910, 5201, 5892, 6874, 7365, 7430, 8916, 9820, 10311, 10402, 11145, 13748, 14730, 14860, 15603, 17185, 20622, 20804, 22290, 26005, 29460, 31206, 34370, 41244, 44580, 51555, 52010, 62412, 68740, 78015, 103110, 104020, 156030, 206220, 312060, 364813, 729626, 1094439, 1459252, 1824065, 2188878, 2553691, 3648130, 4377756, 5107382, 5472195, 7296260, 7661073, 10214764, 10944390, 12768455, 15322146, 21888780, 25536910, 30644292, 38305365, 51073820, 76610730, 153221460]

約数ペア:

[(1, 153221460), (2, 76610730), (3, 51073820), (4, 38305365), (5, 30644292), (6, 25536910), (7, 21888780), (10, 15322146), (12, 12768455), (14, 10944390), (15, 10214764), (20, 7661073), (21, 7296260), (28, 5472195), (30, 5107382), (35, 4377756), (42, 3648130), (60, 2553691), (70, 2188878), (84, 1824065), (105, 1459252), (140, 1094439), (210, 729626), (420, 364813), (491, 312060), (743, 206220), (982, 156030), (1473, 104020), (1486, 103110), (1964, 78015), (2229, 68740), (2455, 62412), (2946, 52010), (2972, 51555), (3437, 44580), (3715, 41244), (4458, 34370), (4910, 31206), (5201, 29460), (5892, 26005), (6874, 22290), (7365, 20804), (7430, 20622), (8916, 17185), (9820, 15603), (10311, 14860), (10402, 14730), (11145, 13748)]