1978470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 5896800

約数和(自身を除く): 3918330

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 89, 90, 95, 114, 117, 130, 171, 178, 190, 195, 234, 247, 267, 285, 342, 390, 445, 494, 534, 570, 585, 741, 801, 855, 890, 1157, 1170, 1235, 1335, 1482, 1602, 1691, 1710, 2223, 2314, 2470, 2670, 3382, 3471, 3705, 4005, 4446, 5073, 5785, 6942, 7410, 8010, 8455, 10146, 10413, 11115, 11570, 15219, 16910, 17355, 20826, 21983, 22230, 25365, 30438, 34710, 43966, 50730, 52065, 65949, 76095, 104130, 109915, 131898, 152190, 197847, 219830, 329745, 395694, 659490, 989235, 1978470]

約数ペア:

[(1, 1978470), (2, 989235), (3, 659490), (5, 395694), (6, 329745), (9, 219830), (10, 197847), (13, 152190), (15, 131898), (18, 109915), (19, 104130), (26, 76095), (30, 65949), (38, 52065), (39, 50730), (45, 43966), (57, 34710), (65, 30438), (78, 25365), (89, 22230), (90, 21983), (95, 20826), (114, 17355), (117, 16910), (130, 15219), (171, 11570), (178, 11115), (190, 10413), (195, 10146), (234, 8455), (247, 8010), (267, 7410), (285, 6942), (342, 5785), (390, 5073), (445, 4446), (494, 4005), (534, 3705), (570, 3471), (585, 3382), (741, 2670), (801, 2470), (855, 2314), (890, 2223), (1157, 1710), (1170, 1691), (1235, 1602), (1335, 1482)]