205101960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 256

約数和(自身を含む): 754790400

約数和(自身を除く): 549688440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 71, 76, 84, 95, 105, 114, 120, 133, 140, 142, 152, 168, 181, 190, 210, 213, 228, 266, 280, 284, 285, 355, 362, 380, 399, 420, 426, 456, 497, 532, 543, 568, 570, 665, 710, 724, 760, 798, 840, 852, 905, 994, 1064, 1065, 1086, 1140, 1267, 1330, 1349, 1420, 1448, 1491, 1596, 1704, 1810, 1988, 1995, 2130, 2172, 2280, 2485, 2534, 2660, 2698, 2715, 2840, 2982, 3192, 3439, 3620, 3801, 3976, 3990, 4047, 4260, 4344, 4970, 5068, 5320, 5396, 5430, 5964, 6335, 6745, 6878, 7240, 7455, 7602, 7980, 8094, 8520, 9443, 9940, 10136, 10317, 10792, 10860, 11928, 12670, 12851, 13490, 13756, 14910, 15204, 15960, 16188, 17195, 18886, 19005, 19880, 20235, 20634, 21720, 24073, 25340, 25702, 26980, 27512, 28329, 29820, 30408, 32376, 34390, 37772, 38010, 38553, 40470, 41268, 47215, 48146, 50680, 51404, 51585, 53960, 56658, 59640, 64255, 68780, 72219, 75544, 76020, 77106, 80940, 82536, 89957, 94430, 96292, 102808, 103170, 113316, 120365, 128510, 137560, 141645, 144438, 152040, 154212, 161880, 179914, 188860, 192584, 192765, 206340, 226632, 240730, 244169, 257020, 269871, 283290, 288876, 308424, 359828, 361095, 377720, 385530, 412680, 449785, 481460, 488338, 514040, 539742, 566580, 577752, 719656, 722190, 732507, 771060, 899570, 962920, 976676, 1079484, 1133160, 1220845, 1349355, 1444380, 1465014, 1542120, 1709183, 1799140, 1953352, 2158968, 2441690, 2698710, 2888760, 2930028, 3418366, 3598280, 3662535, 4883380, 5127549, 5397420, 5860056, 6836732, 7325070, 8545915, 9766760, 10255098, 10794840, 13673464, 14650140, 17091830, 20510196, 25637745, 29300280, 34183660, 41020392, 51275490, 68367320, 102550980, 205101960]

約数ペア:

[(1, 205101960), (2, 102550980), (3, 68367320), (4, 51275490), (5, 41020392), (6, 34183660), (7, 29300280), (8, 25637745), (10, 20510196), (12, 17091830), (14, 14650140), (15, 13673464), (19, 10794840), (20, 10255098), (21, 9766760), (24, 8545915), (28, 7325070), (30, 6836732), (35, 5860056), (38, 5397420), (40, 5127549), (42, 4883380), (56, 3662535), (57, 3598280), (60, 3418366), (70, 2930028), (71, 2888760), (76, 2698710), (84, 2441690), (95, 2158968), (105, 1953352), (114, 1799140), (120, 1709183), (133, 1542120), (140, 1465014), (142, 1444380), (152, 1349355), (168, 1220845), (181, 1133160), (190, 1079484), (210, 976676), (213, 962920), (228, 899570), (266, 771060), (280, 732507), (284, 722190), (285, 719656), (355, 577752), (362, 566580), (380, 539742), (399, 514040), (420, 488338), (426, 481460), (456, 449785), (497, 412680), (532, 385530), (543, 377720), (568, 361095), (570, 359828), (665, 308424), (710, 288876), (724, 283290), (760, 269871), (798, 257020), (840, 244169), (852, 240730), (905, 226632), (994, 206340), (1064, 192765), (1065, 192584), (1086, 188860), (1140, 179914), (1267, 161880), (1330, 154212), (1349, 152040), (1420, 144438), (1448, 141645), (1491, 137560), (1596, 128510), (1704, 120365), (1810, 113316), (1988, 103170), (1995, 102808), (2130, 96292), (2172, 94430), (2280, 89957), (2485, 82536), (2534, 80940), (2660, 77106), (2698, 76020), (2715, 75544), (2840, 72219), (2982, 68780), (3192, 64255), (3439, 59640), (3620, 56658), (3801, 53960), (3976, 51585), (3990, 51404), (4047, 50680), (4260, 48146), (4344, 47215), (4970, 41268), (5068, 40470), (5320, 38553), (5396, 38010), (5430, 37772), (5964, 34390), (6335, 32376), (6745, 30408), (6878, 29820), (7240, 28329), (7455, 27512), (7602, 26980), (7980, 25702), (8094, 25340), (8520, 24073), (9443, 21720), (9940, 20634), (10136, 20235), (10317, 19880), (10792, 19005), (10860, 18886), (11928, 17195), (12670, 16188), (12851, 15960), (13490, 15204), (13756, 14910)]