128482380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54907}}^1$

素因数の和:54935

約数の個数: 72

約数和(自身を含む): 419716752

約数和(自身を除く): 291234372

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, 54907, 109814, 164721, 219628, 274535, 329442, 494163, 549070, 658884, 713791, 823605, 988326, 1098140, 1427582, 1647210, 1976652, 2141373, 2470815, 2855164, 3294420, 3568955, 4282746, 4941630, 6424119, 7137910, 8565492, 9883260, 10706865, 12848238, 14275820, 21413730, 25696476, 32120595, 42827460, 64241190, 128482380]

約数ペア:

[(1, 128482380), (2, 64241190), (3, 42827460), (4, 32120595), (5, 25696476), (6, 21413730), (9, 14275820), (10, 12848238), (12, 10706865), (13, 9883260), (15, 8565492), (18, 7137910), (20, 6424119), (26, 4941630), (30, 4282746), (36, 3568955), (39, 3294420), (45, 2855164), (52, 2470815), (60, 2141373), (65, 1976652), (78, 1647210), (90, 1427582), (117, 1098140), (130, 988326), (156, 823605), (180, 713791), (195, 658884), (234, 549070), (260, 494163), (390, 329442), (468, 274535), (585, 219628), (780, 164721), (1170, 109814), (2340, 54907)]