80208900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 262622080

約数和(自身を除く): 182413180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 61, 75, 90, 100, 108, 122, 135, 150, 180, 183, 225, 244, 270, 300, 305, 366, 450, 487, 540, 549, 610, 675, 732, 900, 915, 974, 1098, 1220, 1350, 1461, 1525, 1647, 1830, 1948, 2196, 2435, 2700, 2745, 2922, 3050, 3294, 3660, 4383, 4575, 4870, 5490, 5844, 6100, 6588, 7305, 8235, 8766, 9150, 9740, 10980, 12175, 13149, 13725, 14610, 16470, 17532, 18300, 21915, 24350, 26298, 27450, 29220, 29707, 32940, 36525, 41175, 43830, 48700, 52596, 54900, 59414, 65745, 73050, 82350, 87660, 89121, 109575, 118828, 131490, 146100, 148535, 164700, 178242, 219150, 262980, 267363, 297070, 328725, 356484, 438300, 445605, 534726, 594140, 657450, 742675, 802089, 891210, 1069452, 1314900, 1336815, 1485350, 1604178, 1782420, 2228025, 2673630, 2970700, 3208356, 4010445, 4456050, 5347260, 6684075, 8020890, 8912100, 13368150, 16041780, 20052225, 26736300, 40104450, 80208900]

約数ペア:

[(1, 80208900), (2, 40104450), (3, 26736300), (4, 20052225), (5, 16041780), (6, 13368150), (9, 8912100), (10, 8020890), (12, 6684075), (15, 5347260), (18, 4456050), (20, 4010445), (25, 3208356), (27, 2970700), (30, 2673630), (36, 2228025), (45, 1782420), (50, 1604178), (54, 1485350), (60, 1336815), (61, 1314900), (75, 1069452), (90, 891210), (100, 802089), (108, 742675), (122, 657450), (135, 594140), (150, 534726), (180, 445605), (183, 438300), (225, 356484), (244, 328725), (270, 297070), (300, 267363), (305, 262980), (366, 219150), (450, 178242), (487, 164700), (540, 148535), (549, 146100), (610, 131490), (675, 118828), (732, 109575), (900, 89121), (915, 87660), (974, 82350), (1098, 73050), (1220, 65745), (1350, 59414), (1461, 54900), (1525, 52596), (1647, 48700), (1830, 43830), (1948, 41175), (2196, 36525), (2435, 32940), (2700, 29707), (2745, 29220), (2922, 27450), (3050, 26298), (3294, 24350), (3660, 21915), (4383, 18300), (4575, 17532), (4870, 16470), (5490, 14610), (5844, 13725), (6100, 13149), (6588, 12175), (7305, 10980), (8235, 9740), (8766, 9150)]