128660220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54983}}^1$

素因数の和:55011

約数の個数: 72

約数和(自身を含む): 420297696

約数和(自身を除く): 291637476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 54983, 109966, 164949, 219932, 274915, 329898, 494847, 549830, 659796, 714779, 824745, 989694, 1099660, 1429558, 1649490, 1979388, 2144337, 2474235, 2859116, 3298980, 3573895, 4288674, 4948470, 6433011, 7147790, 8577348, 9896940, 10721685, 12866022, 14295580, 21443370, 25732044, 32165055, 42886740, 64330110, 128660220]

約数ペア:

[(1, 128660220), (2, 64330110), (3, 42886740), (4, 32165055), (5, 25732044), (6, 21443370), (9, 14295580), (10, 12866022), (12, 10721685), (13, 9896940), (15, 8577348), (18, 7147790), (20, 6433011), (26, 4948470), (30, 4288674), (36, 3573895), (39, 3298980), (45, 2859116), (52, 2474235), (60, 2144337), (65, 1979388), (78, 1649490), (90, 1429558), (117, 1099660), (130, 989694), (156, 824745), (180, 714779), (195, 659796), (234, 549830), (260, 494847), (390, 329898), (468, 274915), (585, 219932), (780, 164949), (1170, 109966), (2340, 54983)]