171964520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 192

約数和(自身を含む): 514518480

約数和(自身を除く): 342553960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 85, 91, 98, 104, 119, 130, 136, 140, 170, 182, 196, 221, 238, 245, 260, 280, 340, 364, 392, 397, 442, 455, 476, 490, 520, 595, 637, 680, 728, 794, 833, 884, 910, 952, 980, 1105, 1190, 1274, 1547, 1588, 1666, 1768, 1820, 1960, 1985, 2210, 2380, 2548, 2779, 3094, 3176, 3185, 3332, 3640, 3970, 4165, 4420, 4760, 5096, 5161, 5558, 6188, 6370, 6664, 6749, 7735, 7940, 8330, 8840, 10322, 10829, 11116, 12376, 12740, 13498, 13895, 15470, 15880, 16660, 19453, 20644, 21658, 22232, 25480, 25805, 26996, 27790, 30940, 33320, 33745, 36127, 38906, 41288, 43316, 47243, 51610, 53992, 54145, 55580, 61880, 67490, 72254, 77812, 86632, 87737, 94486, 97265, 103220, 108290, 111160, 134980, 144508, 155624, 175474, 180635, 188972, 194530, 206440, 216580, 236215, 252889, 269960, 289016, 330701, 350948, 361270, 377944, 389060, 433160, 438685, 472430, 505778, 614159, 661402, 701896, 722540, 778120, 877370, 944860, 1011556, 1228318, 1264445, 1322804, 1445080, 1653505, 1754740, 1889720, 2023112, 2456636, 2528890, 2645608, 3070795, 3307010, 3509480, 4299113, 4913272, 5057780, 6141590, 6614020, 8598226, 10115560, 12283180, 13228040, 17196452, 21495565, 24566360, 34392904, 42991130, 85982260, 171964520]

約数ペア:

[(1, 171964520), (2, 85982260), (4, 42991130), (5, 34392904), (7, 24566360), (8, 21495565), (10, 17196452), (13, 13228040), (14, 12283180), (17, 10115560), (20, 8598226), (26, 6614020), (28, 6141590), (34, 5057780), (35, 4913272), (40, 4299113), (49, 3509480), (52, 3307010), (56, 3070795), (65, 2645608), (68, 2528890), (70, 2456636), (85, 2023112), (91, 1889720), (98, 1754740), (104, 1653505), (119, 1445080), (130, 1322804), (136, 1264445), (140, 1228318), (170, 1011556), (182, 944860), (196, 877370), (221, 778120), (238, 722540), (245, 701896), (260, 661402), (280, 614159), (340, 505778), (364, 472430), (392, 438685), (397, 433160), (442, 389060), (455, 377944), (476, 361270), (490, 350948), (520, 330701), (595, 289016), (637, 269960), (680, 252889), (728, 236215), (794, 216580), (833, 206440), (884, 194530), (910, 188972), (952, 180635), (980, 175474), (1105, 155624), (1190, 144508), (1274, 134980), (1547, 111160), (1588, 108290), (1666, 103220), (1768, 97265), (1820, 94486), (1960, 87737), (1985, 86632), (2210, 77812), (2380, 72254), (2548, 67490), (2779, 61880), (3094, 55580), (3176, 54145), (3185, 53992), (3332, 51610), (3640, 47243), (3970, 43316), (4165, 41288), (4420, 38906), (4760, 36127), (5096, 33745), (5161, 33320), (5558, 30940), (6188, 27790), (6370, 26996), (6664, 25805), (6749, 25480), (7735, 22232), (7940, 21658), (8330, 20644), (8840, 19453), (10322, 16660), (10829, 15880), (11116, 15470), (12376, 13895), (12740, 13498)]