29978040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 90668160

約数和(自身を除く): 60690120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1907, 1965, 2620, 3144, 3814, 3930, 5240, 5721, 7628, 7860, 9535, 11442, 15256, 15720, 19070, 22884, 28605, 38140, 45768, 57210, 76280, 114420, 228840, 249817, 499634, 749451, 999268, 1249085, 1498902, 1998536, 2498170, 2997804, 3747255, 4996340, 5995608, 7494510, 9992680, 14989020, 29978040]

約数ペア:

[(1, 29978040), (2, 14989020), (3, 9992680), (4, 7494510), (5, 5995608), (6, 4996340), (8, 3747255), (10, 2997804), (12, 2498170), (15, 1998536), (20, 1498902), (24, 1249085), (30, 999268), (40, 749451), (60, 499634), (120, 249817), (131, 228840), (262, 114420), (393, 76280), (524, 57210), (655, 45768), (786, 38140), (1048, 28605), (1310, 22884), (1572, 19070), (1907, 15720), (1965, 15256), (2620, 11442), (3144, 9535), (3814, 7860), (3930, 7628), (5240, 5721)]