81708900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 288

約数和(自身を含む): 302147328

約数和(自身を除く): 220438428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 41, 42, 50, 52, 60, 65, 70, 73, 75, 78, 82, 84, 91, 100, 105, 123, 130, 140, 146, 150, 156, 164, 175, 182, 195, 205, 210, 219, 246, 260, 273, 287, 292, 300, 325, 350, 364, 365, 390, 410, 420, 438, 455, 492, 511, 525, 533, 546, 574, 615, 650, 700, 730, 780, 820, 861, 876, 910, 949, 975, 1022, 1025, 1050, 1066, 1092, 1095, 1148, 1230, 1300, 1365, 1435, 1460, 1533, 1599, 1722, 1820, 1825, 1898, 1950, 2044, 2050, 2100, 2132, 2190, 2275, 2460, 2555, 2665, 2730, 2847, 2870, 2993, 3066, 3075, 3198, 3444, 3650, 3731, 3796, 3900, 4100, 4305, 4380, 4550, 4745, 5110, 5330, 5460, 5475, 5694, 5740, 5986, 6132, 6150, 6396, 6643, 6825, 7175, 7300, 7462, 7665, 7995, 8610, 8979, 9100, 9490, 10220, 10660, 10950, 11193, 11388, 11972, 12300, 12775, 13286, 13325, 13650, 14235, 14350, 14924, 14965, 15330, 15990, 17220, 17958, 18655, 18980, 19929, 20951, 21525, 21900, 22386, 23725, 25550, 26572, 26650, 27300, 28470, 28700, 29930, 30660, 31980, 33215, 35916, 37310, 38325, 38909, 39858, 39975, 41902, 43050, 44772, 44895, 47450, 51100, 53300, 55965, 56940, 59860, 62853, 66430, 71175, 74620, 74825, 76650, 77818, 79716, 79950, 83804, 86100, 89790, 93275, 94900, 99645, 104755, 111930, 116727, 125706, 132860, 142350, 149650, 153300, 155636, 159900, 166075, 179580, 186550, 194545, 199290, 209510, 223860, 224475, 233454, 251412, 272363, 279825, 284700, 299300, 314265, 332150, 373100, 389090, 398580, 419020, 448950, 466908, 498225, 523775, 544726, 559650, 583635, 628530, 664300, 778180, 817089, 897900, 972725, 996450, 1047550, 1089452, 1119300, 1167270, 1257060, 1361815, 1571325, 1634178, 1945450, 1992900, 2095100, 2334540, 2723630, 2918175, 3142650, 3268356, 3890900, 4085445, 5447260, 5836350, 6285300, 6809075, 8170890, 11672700, 13618150, 16341780, 20427225, 27236300, 40854450, 81708900]

約数ペア:

[(1, 81708900), (2, 40854450), (3, 27236300), (4, 20427225), (5, 16341780), (6, 13618150), (7, 11672700), (10, 8170890), (12, 6809075), (13, 6285300), (14, 5836350), (15, 5447260), (20, 4085445), (21, 3890900), (25, 3268356), (26, 3142650), (28, 2918175), (30, 2723630), (35, 2334540), (39, 2095100), (41, 1992900), (42, 1945450), (50, 1634178), (52, 1571325), (60, 1361815), (65, 1257060), (70, 1167270), (73, 1119300), (75, 1089452), (78, 1047550), (82, 996450), (84, 972725), (91, 897900), (100, 817089), (105, 778180), (123, 664300), (130, 628530), (140, 583635), (146, 559650), (150, 544726), (156, 523775), (164, 498225), (175, 466908), (182, 448950), (195, 419020), (205, 398580), (210, 389090), (219, 373100), (246, 332150), (260, 314265), (273, 299300), (287, 284700), (292, 279825), (300, 272363), (325, 251412), (350, 233454), (364, 224475), (365, 223860), (390, 209510), (410, 199290), (420, 194545), (438, 186550), (455, 179580), (492, 166075), (511, 159900), (525, 155636), (533, 153300), (546, 149650), (574, 142350), (615, 132860), (650, 125706), (700, 116727), (730, 111930), (780, 104755), (820, 99645), (861, 94900), (876, 93275), (910, 89790), (949, 86100), (975, 83804), (1022, 79950), (1025, 79716), (1050, 77818), (1066, 76650), (1092, 74825), (1095, 74620), (1148, 71175), (1230, 66430), (1300, 62853), (1365, 59860), (1435, 56940), (1460, 55965), (1533, 53300), (1599, 51100), (1722, 47450), (1820, 44895), (1825, 44772), (1898, 43050), (1950, 41902), (2044, 39975), (2050, 39858), (2100, 38909), (2132, 38325), (2190, 37310), (2275, 35916), (2460, 33215), (2555, 31980), (2665, 30660), (2730, 29930), (2847, 28700), (2870, 28470), (2993, 27300), (3066, 26650), (3075, 26572), (3198, 25550), (3444, 23725), (3650, 22386), (3731, 21900), (3796, 21525), (3900, 20951), (4100, 19929), (4305, 18980), (4380, 18655), (4550, 17958), (4745, 17220), (5110, 15990), (5330, 15330), (5460, 14965), (5475, 14924), (5694, 14350), (5740, 14235), (5986, 13650), (6132, 13325), (6150, 13286), (6396, 12775), (6643, 12300), (6825, 11972), (7175, 11388), (7300, 11193), (7462, 10950), (7665, 10660), (7995, 10220), (8610, 9490), (8979, 9100)]