65816400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4219}}^1$

素因数の和:4253

約数の個数: 120

約数和(自身を含む): 227103520

約数和(自身を除く): 161287120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 2600, 3120, 3900, 4219, 5200, 7800, 8438, 12657, 15600, 16876, 21095, 25314, 33752, 42190, 50628, 54847, 63285, 67504, 84380, 101256, 105475, 109694, 126570, 164541, 168760, 202512, 210950, 219388, 253140, 274235, 316425, 329082, 337520, 421900, 438776, 506280, 548470, 632850, 658164, 822705, 843800, 877552, 1012560, 1096940, 1265700, 1316328, 1371175, 1645410, 1687600, 2193880, 2531400, 2632656, 2742350, 3290820, 4113525, 4387760, 5062800, 5484700, 6581640, 8227050, 10969400, 13163280, 16454100, 21938800, 32908200, 65816400]

約数ペア:

[(1, 65816400), (2, 32908200), (3, 21938800), (4, 16454100), (5, 13163280), (6, 10969400), (8, 8227050), (10, 6581640), (12, 5484700), (13, 5062800), (15, 4387760), (16, 4113525), (20, 3290820), (24, 2742350), (25, 2632656), (26, 2531400), (30, 2193880), (39, 1687600), (40, 1645410), (48, 1371175), (50, 1316328), (52, 1265700), (60, 1096940), (65, 1012560), (75, 877552), (78, 843800), (80, 822705), (100, 658164), (104, 632850), (120, 548470), (130, 506280), (150, 438776), (156, 421900), (195, 337520), (200, 329082), (208, 316425), (240, 274235), (260, 253140), (300, 219388), (312, 210950), (325, 202512), (390, 168760), (400, 164541), (520, 126570), (600, 109694), (624, 105475), (650, 101256), (780, 84380), (975, 67504), (1040, 63285), (1200, 54847), (1300, 50628), (1560, 42190), (1950, 33752), (2600, 25314), (3120, 21095), (3900, 16876), (4219, 15600), (5200, 12657), (7800, 8438)]