63996940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 165312000

約数和(自身を除く): 101315060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 343, 380, 490, 491, 532, 665, 686, 931, 980, 982, 1330, 1372, 1715, 1862, 1964, 2455, 2660, 3430, 3437, 3724, 4655, 4910, 6517, 6860, 6874, 9310, 9329, 9820, 13034, 13748, 17185, 18620, 18658, 24059, 26068, 32585, 34370, 37316, 46645, 48118, 65170, 65303, 68740, 93290, 96236, 120295, 130340, 130606, 168413, 186580, 240590, 261212, 326515, 336826, 457121, 481180, 653030, 673652, 842065, 914242, 1306060, 1684130, 1828484, 2285605, 3199847, 3368260, 4571210, 6399694, 9142420, 12799388, 15999235, 31998470, 63996940]

約数ペア:

[(1, 63996940), (2, 31998470), (4, 15999235), (5, 12799388), (7, 9142420), (10, 6399694), (14, 4571210), (19, 3368260), (20, 3199847), (28, 2285605), (35, 1828484), (38, 1684130), (49, 1306060), (70, 914242), (76, 842065), (95, 673652), (98, 653030), (133, 481180), (140, 457121), (190, 336826), (196, 326515), (245, 261212), (266, 240590), (343, 186580), (380, 168413), (490, 130606), (491, 130340), (532, 120295), (665, 96236), (686, 93290), (931, 68740), (980, 65303), (982, 65170), (1330, 48118), (1372, 46645), (1715, 37316), (1862, 34370), (1964, 32585), (2455, 26068), (2660, 24059), (3430, 18658), (3437, 18620), (3724, 17185), (4655, 13748), (4910, 13034), (6517, 9820), (6860, 9329), (6874, 9310)]