639161640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136573}}^1$

素因数の和:136603

約数の個数: 96

約数和(自身を含む): 2237082120

約数和(自身を除く): 1597920480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 136573, 273146, 409719, 546292, 682865, 819438, 1092584, 1229157, 1365730, 1638876, 1775449, 2048595, 2458314, 2731460, 3277752, 3550898, 4097190, 4916628, 5326347, 5462920, 6145785, 7101796, 8194380, 8877245, 9833256, 10652694, 12291570, 14203592, 15979041, 16388760, 17754490, 21305388, 24583140, 26631735, 31958082, 35508980, 42610776, 49166280, 53263470, 63916164, 71017960, 79895205, 106526940, 127832328, 159790410, 213053880, 319580820, 639161640]

約数ペア:

[(1, 639161640), (2, 319580820), (3, 213053880), (4, 159790410), (5, 127832328), (6, 106526940), (8, 79895205), (9, 71017960), (10, 63916164), (12, 53263470), (13, 49166280), (15, 42610776), (18, 35508980), (20, 31958082), (24, 26631735), (26, 24583140), (30, 21305388), (36, 17754490), (39, 16388760), (40, 15979041), (45, 14203592), (52, 12291570), (60, 10652694), (65, 9833256), (72, 8877245), (78, 8194380), (90, 7101796), (104, 6145785), (117, 5462920), (120, 5326347), (130, 4916628), (156, 4097190), (180, 3550898), (195, 3277752), (234, 2731460), (260, 2458314), (312, 2048595), (360, 1775449), (390, 1638876), (468, 1365730), (520, 1229157), (585, 1092584), (780, 819438), (936, 682865), (1170, 546292), (1560, 409719), (2340, 273146), (4680, 136573)]