71920310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 175177728

約数和(自身を除く): 103257418

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 31, 35, 46, 55, 62, 70, 77, 110, 115, 131, 154, 155, 161, 217, 230, 253, 262, 310, 322, 341, 385, 434, 506, 655, 682, 713, 770, 805, 917, 1085, 1265, 1310, 1426, 1441, 1610, 1705, 1771, 1834, 2170, 2387, 2530, 2882, 3013, 3410, 3542, 3565, 4061, 4585, 4774, 4991, 6026, 7130, 7205, 7843, 8122, 8855, 9170, 9982, 10087, 11935, 14410, 15065, 15686, 17710, 20174, 20305, 21091, 23870, 24955, 28427, 30130, 33143, 39215, 40610, 42182, 44671, 49910, 50435, 54901, 56854, 66286, 78430, 89342, 93403, 100870, 105455, 109802, 142135, 165715, 186806, 210910, 223355, 232001, 274505, 284270, 312697, 331430, 446710, 464002, 467015, 549010, 625394, 653821, 934030, 1027433, 1160005, 1307642, 1563485, 2054866, 2320010, 3126970, 3269105, 5137165, 6538210, 7192031, 10274330, 14384062, 35960155, 71920310]

約数ペア:

[(1, 71920310), (2, 35960155), (5, 14384062), (7, 10274330), (10, 7192031), (11, 6538210), (14, 5137165), (22, 3269105), (23, 3126970), (31, 2320010), (35, 2054866), (46, 1563485), (55, 1307642), (62, 1160005), (70, 1027433), (77, 934030), (110, 653821), (115, 625394), (131, 549010), (154, 467015), (155, 464002), (161, 446710), (217, 331430), (230, 312697), (253, 284270), (262, 274505), (310, 232001), (322, 223355), (341, 210910), (385, 186806), (434, 165715), (506, 142135), (655, 109802), (682, 105455), (713, 100870), (770, 93403), (805, 89342), (917, 78430), (1085, 66286), (1265, 56854), (1310, 54901), (1426, 50435), (1441, 49910), (1610, 44671), (1705, 42182), (1771, 40610), (1834, 39215), (2170, 33143), (2387, 30130), (2530, 28427), (2882, 24955), (3013, 23870), (3410, 21091), (3542, 20305), (3565, 20174), (4061, 17710), (4585, 15686), (4774, 15065), (4991, 14410), (6026, 11935), (7130, 10087), (7205, 9982), (7843, 9170), (8122, 8855)]