79281200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 205500240

約数和(自身を除く): 126219040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 89, 100, 131, 136, 170, 178, 200, 262, 272, 340, 356, 400, 425, 445, 524, 655, 680, 712, 850, 890, 1048, 1310, 1360, 1424, 1513, 1700, 1780, 2096, 2225, 2227, 2620, 3026, 3275, 3400, 3560, 4450, 4454, 5240, 6052, 6550, 6800, 7120, 7565, 8900, 8908, 10480, 11135, 11659, 12104, 13100, 15130, 17800, 17816, 22270, 23318, 24208, 26200, 30260, 35600, 35632, 37825, 44540, 46636, 52400, 55675, 58295, 60520, 75650, 89080, 93272, 111350, 116590, 121040, 151300, 178160, 186544, 198203, 222700, 233180, 291475, 302600, 396406, 445400, 466360, 582950, 605200, 792812, 890800, 932720, 991015, 1165900, 1585624, 1982030, 2331800, 3171248, 3964060, 4663600, 4955075, 7928120, 9910150, 15856240, 19820300, 39640600, 79281200]

約数ペア:

[(1, 79281200), (2, 39640600), (4, 19820300), (5, 15856240), (8, 9910150), (10, 7928120), (16, 4955075), (17, 4663600), (20, 3964060), (25, 3171248), (34, 2331800), (40, 1982030), (50, 1585624), (68, 1165900), (80, 991015), (85, 932720), (89, 890800), (100, 792812), (131, 605200), (136, 582950), (170, 466360), (178, 445400), (200, 396406), (262, 302600), (272, 291475), (340, 233180), (356, 222700), (400, 198203), (425, 186544), (445, 178160), (524, 151300), (655, 121040), (680, 116590), (712, 111350), (850, 93272), (890, 89080), (1048, 75650), (1310, 60520), (1360, 58295), (1424, 55675), (1513, 52400), (1700, 46636), (1780, 44540), (2096, 37825), (2225, 35632), (2227, 35600), (2620, 30260), (3026, 26200), (3275, 24208), (3400, 23318), (3560, 22270), (4450, 17816), (4454, 17800), (5240, 15130), (6052, 13100), (6550, 12104), (6800, 11659), (7120, 11135), (7565, 10480), (8900, 8908)]