77798280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 276281280

約数和(自身を除く): 198483000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 101, 105, 120, 131, 140, 147, 168, 196, 202, 210, 245, 262, 280, 294, 303, 392, 393, 404, 420, 490, 505, 524, 588, 606, 655, 707, 735, 786, 808, 840, 917, 980, 1010, 1048, 1176, 1212, 1310, 1414, 1470, 1515, 1572, 1834, 1960, 1965, 2020, 2121, 2424, 2620, 2751, 2828, 2940, 3030, 3144, 3535, 3668, 3930, 4040, 4242, 4585, 4949, 5240, 5502, 5656, 5880, 6060, 6419, 7070, 7336, 7860, 8484, 9170, 9898, 10605, 11004, 12120, 12838, 13231, 13755, 14140, 14847, 15720, 16968, 18340, 19257, 19796, 21210, 22008, 24745, 25676, 26462, 27510, 28280, 29694, 32095, 36680, 38514, 39592, 39693, 42420, 49490, 51352, 52924, 55020, 59388, 64190, 66155, 74235, 77028, 79386, 84840, 92617, 96285, 98980, 105848, 110040, 118776, 128380, 132310, 148470, 154056, 158772, 185234, 192570, 197960, 198465, 256760, 264620, 277851, 296940, 317544, 370468, 385140, 396930, 463085, 529240, 555702, 593880, 648319, 740936, 770280, 793860, 926170, 1111404, 1296638, 1389255, 1587720, 1852340, 1944957, 2222808, 2593276, 2778510, 3241595, 3704680, 3889914, 5186552, 5557020, 6483190, 7779828, 9724785, 11114040, 12966380, 15559656, 19449570, 25932760, 38899140, 77798280]

約数ペア:

[(1, 77798280), (2, 38899140), (3, 25932760), (4, 19449570), (5, 15559656), (6, 12966380), (7, 11114040), (8, 9724785), (10, 7779828), (12, 6483190), (14, 5557020), (15, 5186552), (20, 3889914), (21, 3704680), (24, 3241595), (28, 2778510), (30, 2593276), (35, 2222808), (40, 1944957), (42, 1852340), (49, 1587720), (56, 1389255), (60, 1296638), (70, 1111404), (84, 926170), (98, 793860), (101, 770280), (105, 740936), (120, 648319), (131, 593880), (140, 555702), (147, 529240), (168, 463085), (196, 396930), (202, 385140), (210, 370468), (245, 317544), (262, 296940), (280, 277851), (294, 264620), (303, 256760), (392, 198465), (393, 197960), (404, 192570), (420, 185234), (490, 158772), (505, 154056), (524, 148470), (588, 132310), (606, 128380), (655, 118776), (707, 110040), (735, 105848), (786, 98980), (808, 96285), (840, 92617), (917, 84840), (980, 79386), (1010, 77028), (1048, 74235), (1176, 66155), (1212, 64190), (1310, 59388), (1414, 55020), (1470, 52924), (1515, 51352), (1572, 49490), (1834, 42420), (1960, 39693), (1965, 39592), (2020, 38514), (2121, 36680), (2424, 32095), (2620, 29694), (2751, 28280), (2828, 27510), (2940, 26462), (3030, 25676), (3144, 24745), (3535, 22008), (3668, 21210), (3930, 19796), (4040, 19257), (4242, 18340), (4585, 16968), (4949, 15720), (5240, 14847), (5502, 14140), (5656, 13755), (5880, 13231), (6060, 12838), (6419, 12120), (7070, 11004), (7336, 10605), (7860, 9898), (8484, 9170)]