31090800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2027

約数の個数: 120

約数和(自身を含む): 107309104

約数和(自身を除く): 76218304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 1993, 2600, 3120, 3900, 3986, 5200, 5979, 7800, 7972, 9965, 11958, 15600, 15944, 19930, 23916, 25909, 29895, 31888, 39860, 47832, 49825, 51818, 59790, 77727, 79720, 95664, 99650, 103636, 119580, 129545, 149475, 155454, 159440, 199300, 207272, 239160, 259090, 298950, 310908, 388635, 398600, 414544, 478320, 518180, 597900, 621816, 647725, 777270, 797200, 1036360, 1195800, 1243632, 1295450, 1554540, 1943175, 2072720, 2391600, 2590900, 3109080, 3886350, 5181800, 6218160, 7772700, 10363600, 15545400, 31090800]

約数ペア:

[(1, 31090800), (2, 15545400), (3, 10363600), (4, 7772700), (5, 6218160), (6, 5181800), (8, 3886350), (10, 3109080), (12, 2590900), (13, 2391600), (15, 2072720), (16, 1943175), (20, 1554540), (24, 1295450), (25, 1243632), (26, 1195800), (30, 1036360), (39, 797200), (40, 777270), (48, 647725), (50, 621816), (52, 597900), (60, 518180), (65, 478320), (75, 414544), (78, 398600), (80, 388635), (100, 310908), (104, 298950), (120, 259090), (130, 239160), (150, 207272), (156, 199300), (195, 159440), (200, 155454), (208, 149475), (240, 129545), (260, 119580), (300, 103636), (312, 99650), (325, 95664), (390, 79720), (400, 77727), (520, 59790), (600, 51818), (624, 49825), (650, 47832), (780, 39860), (975, 31888), (1040, 29895), (1200, 25909), (1300, 23916), (1560, 19930), (1950, 15944), (1993, 15600), (2600, 11958), (3120, 9965), (3900, 7972), (3986, 7800), (5200, 5979)]