1971619920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19421}}^1$

素因数の和:19490

約数の個数: 160

約数和(自身を含む): 6935984640

約数和(自身を除く): 4964364720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 108, 120, 135, 141, 144, 180, 188, 216, 235, 240, 270, 282, 360, 376, 423, 432, 470, 540, 564, 705, 720, 752, 846, 940, 1080, 1128, 1269, 1410, 1692, 1880, 2115, 2160, 2256, 2538, 2820, 3384, 3760, 4230, 5076, 5640, 6345, 6768, 8460, 10152, 11280, 12690, 16920, 19421, 20304, 25380, 33840, 38842, 50760, 58263, 77684, 97105, 101520, 116526, 155368, 174789, 194210, 233052, 291315, 310736, 349578, 388420, 466104, 524367, 582630, 699156, 776840, 873945, 912787, 932208, 1048734, 1165260, 1398312, 1553680, 1747890, 1825574, 2097468, 2330520, 2621835, 2738361, 2796624, 3495780, 3651148, 4194936, 4563935, 4661040, 5243670, 5476722, 6991560, 7302296, 8215083, 8389872, 9127870, 10487340, 10953444, 13691805, 13983120, 14604592, 16430166, 18255740, 20974680, 21906888, 24645249, 27383610, 32860332, 36511480, 41075415, 41949360, 43813776, 49290498, 54767220, 65720664, 73022960, 82150830, 98580996, 109534440, 123226245, 131441328, 164301660, 197161992, 219068880, 246452490, 328603320, 394323984, 492904980, 657206640, 985809960, 1971619920]

約数ペア:

[(1, 1971619920), (2, 985809960), (3, 657206640), (4, 492904980), (5, 394323984), (6, 328603320), (8, 246452490), (9, 219068880), (10, 197161992), (12, 164301660), (15, 131441328), (16, 123226245), (18, 109534440), (20, 98580996), (24, 82150830), (27, 73022960), (30, 65720664), (36, 54767220), (40, 49290498), (45, 43813776), (47, 41949360), (48, 41075415), (54, 36511480), (60, 32860332), (72, 27383610), (80, 24645249), (90, 21906888), (94, 20974680), (108, 18255740), (120, 16430166), (135, 14604592), (141, 13983120), (144, 13691805), (180, 10953444), (188, 10487340), (216, 9127870), (235, 8389872), (240, 8215083), (270, 7302296), (282, 6991560), (360, 5476722), (376, 5243670), (423, 4661040), (432, 4563935), (470, 4194936), (540, 3651148), (564, 3495780), (705, 2796624), (720, 2738361), (752, 2621835), (846, 2330520), (940, 2097468), (1080, 1825574), (1128, 1747890), (1269, 1553680), (1410, 1398312), (1692, 1165260), (1880, 1048734), (2115, 932208), (2160, 912787), (2256, 873945), (2538, 776840), (2820, 699156), (3384, 582630), (3760, 524367), (4230, 466104), (5076, 388420), (5640, 349578), (6345, 310736), (6768, 291315), (8460, 233052), (10152, 194210), (11280, 174789), (12690, 155368), (16920, 116526), (19421, 101520), (20304, 97105), (25380, 77684), (33840, 58263), (38842, 50760)]