220870720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:828

約数の個数: 112

約数和(自身を含む): 605991168

約数和(自身を除く): 385120448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 151, 160, 224, 280, 302, 320, 448, 560, 604, 653, 755, 1057, 1120, 1208, 1306, 1510, 2114, 2240, 2416, 2612, 3020, 3265, 4228, 4571, 4832, 5224, 5285, 6040, 6530, 8456, 9142, 9664, 10448, 10570, 12080, 13060, 16912, 18284, 20896, 21140, 22855, 24160, 26120, 33824, 36568, 41792, 42280, 45710, 48320, 52240, 67648, 73136, 84560, 91420, 98603, 104480, 146272, 169120, 182840, 197206, 208960, 292544, 338240, 365680, 394412, 493015, 690221, 731360, 788824, 986030, 1380442, 1462720, 1577648, 1972060, 2760884, 3155296, 3451105, 3944120, 5521768, 6310592, 6902210, 7888240, 11043536, 13804420, 15776480, 22087072, 27608840, 31552960, 44174144, 55217680, 110435360, 220870720]

約数ペア:

[(1, 220870720), (2, 110435360), (4, 55217680), (5, 44174144), (7, 31552960), (8, 27608840), (10, 22087072), (14, 15776480), (16, 13804420), (20, 11043536), (28, 7888240), (32, 6902210), (35, 6310592), (40, 5521768), (56, 3944120), (64, 3451105), (70, 3155296), (80, 2760884), (112, 1972060), (140, 1577648), (151, 1462720), (160, 1380442), (224, 986030), (280, 788824), (302, 731360), (320, 690221), (448, 493015), (560, 394412), (604, 365680), (653, 338240), (755, 292544), (1057, 208960), (1120, 197206), (1208, 182840), (1306, 169120), (1510, 146272), (2114, 104480), (2240, 98603), (2416, 91420), (2612, 84560), (3020, 73136), (3265, 67648), (4228, 52240), (4571, 48320), (4832, 45710), (5224, 42280), (5285, 41792), (6040, 36568), (6530, 33824), (8456, 26120), (9142, 24160), (9664, 22855), (10448, 21140), (10570, 20896), (12080, 18284), (13060, 16912)]