81312070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 180838656

約数和(自身を除く): 99526586

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 53, 62, 70, 98, 101, 106, 155, 202, 217, 245, 265, 310, 371, 434, 490, 505, 530, 707, 742, 1010, 1085, 1414, 1519, 1643, 1855, 2170, 2597, 3038, 3131, 3286, 3535, 3710, 4949, 5194, 5353, 6262, 7070, 7595, 8215, 9898, 10706, 11501, 12985, 15190, 15655, 16430, 21917, 23002, 24745, 25970, 26765, 31310, 37471, 43834, 49490, 53530, 57505, 74942, 80507, 109585, 115010, 153419, 161014, 165943, 187355, 219170, 262297, 306838, 331886, 374710, 402535, 524594, 767095, 805070, 829715, 1161601, 1311485, 1534190, 1659430, 2323202, 2622970, 5808005, 8131207, 11616010, 16262414, 40656035, 81312070]

約数ペア:

[(1, 81312070), (2, 40656035), (5, 16262414), (7, 11616010), (10, 8131207), (14, 5808005), (31, 2622970), (35, 2323202), (49, 1659430), (53, 1534190), (62, 1311485), (70, 1161601), (98, 829715), (101, 805070), (106, 767095), (155, 524594), (202, 402535), (217, 374710), (245, 331886), (265, 306838), (310, 262297), (371, 219170), (434, 187355), (490, 165943), (505, 161014), (530, 153419), (707, 115010), (742, 109585), (1010, 80507), (1085, 74942), (1414, 57505), (1519, 53530), (1643, 49490), (1855, 43834), (2170, 37471), (2597, 31310), (3038, 26765), (3131, 25970), (3286, 24745), (3535, 23002), (3710, 21917), (4949, 16430), (5194, 15655), (5353, 15190), (6262, 12985), (7070, 11501), (7595, 10706), (8215, 9898)]