2121879720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1040

約数の個数: 256

約数和(自身を含む): 7162214400

約数和(自身を除く): 5040334680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 43, 46, 57, 60, 69, 76, 86, 92, 95, 114, 115, 120, 129, 138, 152, 172, 184, 190, 215, 228, 230, 258, 276, 285, 344, 345, 380, 430, 437, 456, 460, 516, 552, 570, 645, 690, 760, 817, 860, 874, 920, 941, 989, 1032, 1140, 1290, 1311, 1380, 1634, 1720, 1748, 1882, 1978, 2185, 2280, 2451, 2580, 2622, 2760, 2823, 2967, 3268, 3496, 3764, 3956, 4085, 4370, 4705, 4902, 4945, 5160, 5244, 5646, 5934, 6536, 6555, 7528, 7912, 8170, 8740, 9410, 9804, 9890, 10488, 11292, 11868, 12255, 13110, 14115, 14835, 16340, 17480, 17879, 18791, 18820, 19608, 19780, 21643, 22584, 23736, 24510, 26220, 28230, 29670, 32680, 35758, 37582, 37640, 39560, 40463, 43286, 49020, 52440, 53637, 56373, 56460, 59340, 64929, 71516, 75164, 80926, 86572, 89395, 93955, 98040, 107274, 108215, 112746, 112920, 118680, 121389, 129858, 143032, 150328, 161852, 173144, 178790, 187910, 202315, 214548, 216430, 225492, 242778, 259716, 268185, 281865, 323704, 324645, 357580, 375820, 404630, 411217, 429096, 432860, 450984, 485556, 519432, 536370, 563730, 606945, 649290, 715160, 751640, 768797, 809260, 822434, 865720, 930649, 971112, 1072740, 1127460, 1213890, 1233651, 1298580, 1537594, 1618520, 1644868, 1861298, 2056085, 2145480, 2254920, 2306391, 2427780, 2467302, 2597160, 2791947, 3075188, 3289736, 3722596, 3843985, 4112170, 4612782, 4653245, 4855560, 4934604, 5583894, 6150376, 6168255, 7445192, 7687970, 8224340, 9225564, 9306490, 9869208, 11167788, 11531955, 12336510, 13959735, 15375940, 16448680, 17682331, 18451128, 18612980, 22335576, 23063910, 24673020, 27919470, 30751880, 35364662, 37225960, 46127820, 49346040, 53046993, 55838940, 70729324, 88411655, 92255640, 106093986, 111677880, 141458648, 176823310, 212187972, 265234965, 353646620, 424375944, 530469930, 707293240, 1060939860, 2121879720]

約数ペア:

[(1, 2121879720), (2, 1060939860), (3, 707293240), (4, 530469930), (5, 424375944), (6, 353646620), (8, 265234965), (10, 212187972), (12, 176823310), (15, 141458648), (19, 111677880), (20, 106093986), (23, 92255640), (24, 88411655), (30, 70729324), (38, 55838940), (40, 53046993), (43, 49346040), (46, 46127820), (57, 37225960), (60, 35364662), (69, 30751880), (76, 27919470), (86, 24673020), (92, 23063910), (95, 22335576), (114, 18612980), (115, 18451128), (120, 17682331), (129, 16448680), (138, 15375940), (152, 13959735), (172, 12336510), (184, 11531955), (190, 11167788), (215, 9869208), (228, 9306490), (230, 9225564), (258, 8224340), (276, 7687970), (285, 7445192), (344, 6168255), (345, 6150376), (380, 5583894), (430, 4934604), (437, 4855560), (456, 4653245), (460, 4612782), (516, 4112170), (552, 3843985), (570, 3722596), (645, 3289736), (690, 3075188), (760, 2791947), (817, 2597160), (860, 2467302), (874, 2427780), (920, 2306391), (941, 2254920), (989, 2145480), (1032, 2056085), (1140, 1861298), (1290, 1644868), (1311, 1618520), (1380, 1537594), (1634, 1298580), (1720, 1233651), (1748, 1213890), (1882, 1127460), (1978, 1072740), (2185, 971112), (2280, 930649), (2451, 865720), (2580, 822434), (2622, 809260), (2760, 768797), (2823, 751640), (2967, 715160), (3268, 649290), (3496, 606945), (3764, 563730), (3956, 536370), (4085, 519432), (4370, 485556), (4705, 450984), (4902, 432860), (4945, 429096), (5160, 411217), (5244, 404630), (5646, 375820), (5934, 357580), (6536, 324645), (6555, 323704), (7528, 281865), (7912, 268185), (8170, 259716), (8740, 242778), (9410, 225492), (9804, 216430), (9890, 214548), (10488, 202315), (11292, 187910), (11868, 178790), (12255, 173144), (13110, 161852), (14115, 150328), (14835, 143032), (16340, 129858), (17480, 121389), (17879, 118680), (18791, 112920), (18820, 112746), (19608, 108215), (19780, 107274), (21643, 98040), (22584, 93955), (23736, 89395), (24510, 86572), (26220, 80926), (28230, 75164), (29670, 71516), (32680, 64929), (35758, 59340), (37582, 56460), (37640, 56373), (39560, 53637), (40463, 52440), (43286, 49020)]