247402740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{757}}^1$

素因数の和:1201

約数の個数: 96

約数和(自身を含む): 748782720

約数和(自身を除く): 501379980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 419, 757, 780, 838, 1257, 1514, 1676, 2095, 2271, 2514, 3028, 3785, 4190, 4542, 5028, 5447, 6285, 7570, 8380, 9084, 9841, 10894, 11355, 12570, 15140, 16341, 19682, 21788, 22710, 25140, 27235, 29523, 32682, 39364, 45420, 49205, 54470, 59046, 65364, 81705, 98410, 108940, 118092, 147615, 163410, 196820, 295230, 317183, 326820, 590460, 634366, 951549, 1268732, 1585915, 1903098, 3171830, 3806196, 4123379, 4757745, 6343660, 8246758, 9515490, 12370137, 16493516, 19030980, 20616895, 24740274, 41233790, 49480548, 61850685, 82467580, 123701370, 247402740]

約数ペア:

[(1, 247402740), (2, 123701370), (3, 82467580), (4, 61850685), (5, 49480548), (6, 41233790), (10, 24740274), (12, 20616895), (13, 19030980), (15, 16493516), (20, 12370137), (26, 9515490), (30, 8246758), (39, 6343660), (52, 4757745), (60, 4123379), (65, 3806196), (78, 3171830), (130, 1903098), (156, 1585915), (195, 1268732), (260, 951549), (390, 634366), (419, 590460), (757, 326820), (780, 317183), (838, 295230), (1257, 196820), (1514, 163410), (1676, 147615), (2095, 118092), (2271, 108940), (2514, 98410), (3028, 81705), (3785, 65364), (4190, 59046), (4542, 54470), (5028, 49205), (5447, 45420), (6285, 39364), (7570, 32682), (8380, 29523), (9084, 27235), (9841, 25140), (10894, 22710), (11355, 21788), (12570, 19682), (15140, 16341)]