249138240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19963}}^1$

素因数の和:19996

約数の個数: 112

約数和(自身を含む): 851903808

約数和(自身を除く): 602765568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 19963, 39926, 59889, 79852, 99815, 119778, 159704, 199630, 239556, 259519, 299445, 319408, 399260, 479112, 519038, 598890, 638816, 778557, 798520, 958224, 1038076, 1197780, 1277632, 1297595, 1557114, 1597040, 1916448, 2076152, 2395560, 2595190, 3114228, 3194080, 3832896, 3892785, 4152304, 4791120, 5190380, 6228456, 6388160, 7785570, 8304608, 9582240, 10380760, 12456912, 15571140, 16609216, 19164480, 20761520, 24913824, 31142280, 41523040, 49827648, 62284560, 83046080, 124569120, 249138240]

約数ペア:

[(1, 249138240), (2, 124569120), (3, 83046080), (4, 62284560), (5, 49827648), (6, 41523040), (8, 31142280), (10, 24913824), (12, 20761520), (13, 19164480), (15, 16609216), (16, 15571140), (20, 12456912), (24, 10380760), (26, 9582240), (30, 8304608), (32, 7785570), (39, 6388160), (40, 6228456), (48, 5190380), (52, 4791120), (60, 4152304), (64, 3892785), (65, 3832896), (78, 3194080), (80, 3114228), (96, 2595190), (104, 2395560), (120, 2076152), (130, 1916448), (156, 1597040), (160, 1557114), (192, 1297595), (195, 1277632), (208, 1197780), (240, 1038076), (260, 958224), (312, 798520), (320, 778557), (390, 638816), (416, 598890), (480, 519038), (520, 479112), (624, 399260), (780, 319408), (832, 299445), (960, 259519), (1040, 239556), (1248, 199630), (1560, 159704), (2080, 119778), (2496, 99815), (3120, 79852), (4160, 59889), (6240, 39926), (12480, 19963)]