2154020960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:893

約数の個数: 192

約数和(自身を含む): 6299596800

約数和(自身を除く): 4145575840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 239, 260, 280, 364, 416, 455, 478, 520, 560, 619, 728, 910, 956, 1040, 1120, 1195, 1238, 1456, 1673, 1820, 1912, 2080, 2390, 2476, 2912, 3095, 3107, 3346, 3640, 3824, 4333, 4780, 4952, 6190, 6214, 6692, 7280, 7648, 8047, 8365, 8666, 9560, 9904, 12380, 12428, 13384, 14560, 15535, 16094, 16730, 17332, 19120, 19808, 21665, 21749, 24760, 24856, 26768, 31070, 32188, 33460, 34664, 38240, 40235, 43330, 43498, 49520, 49712, 53536, 56329, 62140, 64376, 66920, 69328, 80470, 86660, 86996, 99040, 99424, 108745, 112658, 124280, 128752, 133840, 138656, 147941, 160940, 173320, 173992, 217490, 225316, 248560, 257504, 267680, 281645, 295882, 321880, 346640, 347984, 434980, 450632, 497120, 563290, 591764, 643760, 693280, 695968, 739705, 869960, 901264, 1035587, 1126580, 1183528, 1287520, 1479410, 1739920, 1802528, 1923233, 2071174, 2253160, 2367056, 2958820, 3479840, 3846466, 4142348, 4506320, 4734112, 5177935, 5917640, 7692932, 8284696, 9012640, 9616165, 10355870, 11835280, 13462631, 15385864, 16569392, 19232330, 20711740, 23670560, 26925262, 30771728, 33138784, 38464660, 41423480, 53850524, 61543456, 67313155, 76929320, 82846960, 107701048, 134626310, 153858640, 165693920, 215402096, 269252620, 307717280, 430804192, 538505240, 1077010480, 2154020960]

約数ペア:

[(1, 2154020960), (2, 1077010480), (4, 538505240), (5, 430804192), (7, 307717280), (8, 269252620), (10, 215402096), (13, 165693920), (14, 153858640), (16, 134626310), (20, 107701048), (26, 82846960), (28, 76929320), (32, 67313155), (35, 61543456), (40, 53850524), (52, 41423480), (56, 38464660), (65, 33138784), (70, 30771728), (80, 26925262), (91, 23670560), (104, 20711740), (112, 19232330), (130, 16569392), (140, 15385864), (160, 13462631), (182, 11835280), (208, 10355870), (224, 9616165), (239, 9012640), (260, 8284696), (280, 7692932), (364, 5917640), (416, 5177935), (455, 4734112), (478, 4506320), (520, 4142348), (560, 3846466), (619, 3479840), (728, 2958820), (910, 2367056), (956, 2253160), (1040, 2071174), (1120, 1923233), (1195, 1802528), (1238, 1739920), (1456, 1479410), (1673, 1287520), (1820, 1183528), (1912, 1126580), (2080, 1035587), (2390, 901264), (2476, 869960), (2912, 739705), (3095, 695968), (3107, 693280), (3346, 643760), (3640, 591764), (3824, 563290), (4333, 497120), (4780, 450632), (4952, 434980), (6190, 347984), (6214, 346640), (6692, 321880), (7280, 295882), (7648, 281645), (8047, 267680), (8365, 257504), (8666, 248560), (9560, 225316), (9904, 217490), (12380, 173992), (12428, 173320), (13384, 160940), (14560, 147941), (15535, 138656), (16094, 133840), (16730, 128752), (17332, 124280), (19120, 112658), (19808, 108745), (21665, 99424), (21749, 99040), (24760, 86996), (24856, 86660), (26768, 80470), (31070, 69328), (32188, 66920), (33460, 64376), (34664, 62140), (38240, 56329), (40235, 53536), (43330, 49712), (43498, 49520)]