87552920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 246758400

約数和(自身を除く): 159205480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 182, 260, 268, 280, 335, 359, 364, 455, 469, 520, 536, 670, 718, 728, 871, 910, 938, 1340, 1436, 1742, 1795, 1820, 1876, 2345, 2513, 2680, 2872, 3484, 3590, 3640, 3752, 4355, 4667, 4690, 5026, 6097, 6968, 7180, 8710, 9334, 9380, 10052, 12194, 12565, 14360, 17420, 18668, 18760, 20104, 23335, 24053, 24388, 25130, 30485, 32669, 34840, 37336, 46670, 48106, 48776, 50260, 60970, 65338, 93340, 96212, 100520, 120265, 121940, 130676, 163345, 168371, 186680, 192424, 240530, 243880, 261352, 312689, 326690, 336742, 481060, 625378, 653380, 673484, 841855, 962120, 1250756, 1306760, 1346968, 1563445, 1683710, 2188823, 2501512, 3126890, 3367420, 4377646, 6253780, 6734840, 8755292, 10944115, 12507560, 17510584, 21888230, 43776460, 87552920]

約数ペア:

[(1, 87552920), (2, 43776460), (4, 21888230), (5, 17510584), (7, 12507560), (8, 10944115), (10, 8755292), (13, 6734840), (14, 6253780), (20, 4377646), (26, 3367420), (28, 3126890), (35, 2501512), (40, 2188823), (52, 1683710), (56, 1563445), (65, 1346968), (67, 1306760), (70, 1250756), (91, 962120), (104, 841855), (130, 673484), (134, 653380), (140, 625378), (182, 481060), (260, 336742), (268, 326690), (280, 312689), (335, 261352), (359, 243880), (364, 240530), (455, 192424), (469, 186680), (520, 168371), (536, 163345), (670, 130676), (718, 121940), (728, 120265), (871, 100520), (910, 96212), (938, 93340), (1340, 65338), (1436, 60970), (1742, 50260), (1795, 48776), (1820, 48106), (1876, 46670), (2345, 37336), (2513, 34840), (2680, 32669), (2872, 30485), (3484, 25130), (3590, 24388), (3640, 24053), (3752, 23335), (4355, 20104), (4667, 18760), (4690, 18668), (5026, 17420), (6097, 14360), (6968, 12565), (7180, 12194), (8710, 10052), (9334, 9380)]