77243980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 181656720

約数和(自身を除く): 104412740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 220, 236, 242, 295, 484, 541, 590, 605, 649, 1082, 1180, 1210, 1298, 2164, 2420, 2596, 2705, 3245, 5410, 5951, 6490, 7139, 10820, 11902, 12980, 14278, 23804, 28556, 29755, 31919, 35695, 59510, 63838, 65461, 71390, 119020, 127676, 130922, 142780, 159595, 261844, 319190, 327305, 351109, 638380, 654610, 702218, 1309220, 1404436, 1755545, 3511090, 3862199, 7022180, 7724398, 15448796, 19310995, 38621990, 77243980]

約数ペア:

[(1, 77243980), (2, 38621990), (4, 19310995), (5, 15448796), (10, 7724398), (11, 7022180), (20, 3862199), (22, 3511090), (44, 1755545), (55, 1404436), (59, 1309220), (110, 702218), (118, 654610), (121, 638380), (220, 351109), (236, 327305), (242, 319190), (295, 261844), (484, 159595), (541, 142780), (590, 130922), (605, 127676), (649, 119020), (1082, 71390), (1180, 65461), (1210, 63838), (1298, 59510), (2164, 35695), (2420, 31919), (2596, 29755), (2705, 28556), (3245, 23804), (5410, 14278), (5951, 12980), (6490, 11902), (7139, 10820)]