31280040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2633}}^1$

素因数の和:2664

約数の個数: 128

約数和(自身を含む): 113788800

約数和(自身を除く): 82508760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2633, 2970, 3960, 5266, 5940, 7899, 10532, 11880, 13165, 15798, 21064, 23697, 26330, 28963, 31596, 39495, 47394, 52660, 57926, 63192, 71091, 78990, 86889, 94788, 105320, 115852, 118485, 142182, 144815, 157980, 173778, 189576, 231704, 236970, 260667, 284364, 289630, 315960, 347556, 355455, 434445, 473940, 521334, 568728, 579260, 695112, 710910, 782001, 868890, 947880, 1042668, 1158520, 1303335, 1421820, 1564002, 1737780, 2085336, 2606670, 2843640, 3128004, 3475560, 3910005, 5213340, 6256008, 7820010, 10426680, 15640020, 31280040]

約数ペア:

[(1, 31280040), (2, 15640020), (3, 10426680), (4, 7820010), (5, 6256008), (6, 5213340), (8, 3910005), (9, 3475560), (10, 3128004), (11, 2843640), (12, 2606670), (15, 2085336), (18, 1737780), (20, 1564002), (22, 1421820), (24, 1303335), (27, 1158520), (30, 1042668), (33, 947880), (36, 868890), (40, 782001), (44, 710910), (45, 695112), (54, 579260), (55, 568728), (60, 521334), (66, 473940), (72, 434445), (88, 355455), (90, 347556), (99, 315960), (108, 289630), (110, 284364), (120, 260667), (132, 236970), (135, 231704), (165, 189576), (180, 173778), (198, 157980), (216, 144815), (220, 142182), (264, 118485), (270, 115852), (297, 105320), (330, 94788), (360, 86889), (396, 78990), (440, 71091), (495, 63192), (540, 57926), (594, 52660), (660, 47394), (792, 39495), (990, 31596), (1080, 28963), (1188, 26330), (1320, 23697), (1485, 21064), (1980, 15798), (2376, 13165), (2633, 11880), (2970, 10532), (3960, 7899), (5266, 5940)]