78866480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 244270080

約数和(自身を除く): 165403600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 59, 62, 70, 77, 80, 88, 98, 110, 112, 118, 124, 140, 154, 155, 176, 196, 217, 220, 236, 245, 248, 280, 295, 308, 310, 341, 385, 392, 413, 434, 440, 472, 490, 496, 539, 560, 590, 616, 620, 649, 682, 770, 784, 826, 868, 880, 944, 980, 1078, 1085, 1180, 1232, 1240, 1298, 1364, 1519, 1540, 1652, 1705, 1736, 1829, 1960, 2065, 2156, 2170, 2360, 2387, 2480, 2596, 2695, 2728, 2891, 3038, 3080, 3245, 3304, 3410, 3472, 3658, 3920, 4130, 4312, 4340, 4543, 4720, 4774, 5192, 5390, 5456, 5782, 6076, 6160, 6490, 6608, 6820, 7316, 7595, 8260, 8624, 8680, 9086, 9145, 9548, 10384, 10780, 11564, 11935, 12152, 12803, 12980, 13640, 14455, 14632, 15190, 16520, 16709, 17360, 18172, 18290, 19096, 20119, 21560, 22715, 23128, 23870, 24304, 25606, 25960, 27280, 28910, 29264, 30380, 31801, 33040, 33418, 36344, 36580, 38192, 40238, 43120, 45430, 46256, 47740, 51212, 51920, 57820, 60760, 63602, 64015, 66836, 72688, 73160, 80476, 83545, 89621, 90860, 95480, 100595, 102424, 115640, 121520, 127204, 128030, 133672, 140833, 146320, 159005, 160952, 167090, 179242, 181720, 190960, 201190, 204848, 231280, 254408, 256060, 267344, 281666, 318010, 321904, 334180, 358484, 363440, 402380, 448105, 508816, 512120, 563332, 636020, 668360, 704165, 716968, 804760, 896210, 985831, 1024240, 1126664, 1272040, 1336720, 1408330, 1433936, 1609520, 1792420, 1971662, 2253328, 2544080, 2816660, 3584840, 3943324, 4929155, 5633320, 7169680, 7886648, 9858310, 11266640, 15773296, 19716620, 39433240, 78866480]

約数ペア:

[(1, 78866480), (2, 39433240), (4, 19716620), (5, 15773296), (7, 11266640), (8, 9858310), (10, 7886648), (11, 7169680), (14, 5633320), (16, 4929155), (20, 3943324), (22, 3584840), (28, 2816660), (31, 2544080), (35, 2253328), (40, 1971662), (44, 1792420), (49, 1609520), (55, 1433936), (56, 1408330), (59, 1336720), (62, 1272040), (70, 1126664), (77, 1024240), (80, 985831), (88, 896210), (98, 804760), (110, 716968), (112, 704165), (118, 668360), (124, 636020), (140, 563332), (154, 512120), (155, 508816), (176, 448105), (196, 402380), (217, 363440), (220, 358484), (236, 334180), (245, 321904), (248, 318010), (280, 281666), (295, 267344), (308, 256060), (310, 254408), (341, 231280), (385, 204848), (392, 201190), (413, 190960), (434, 181720), (440, 179242), (472, 167090), (490, 160952), (496, 159005), (539, 146320), (560, 140833), (590, 133672), (616, 128030), (620, 127204), (649, 121520), (682, 115640), (770, 102424), (784, 100595), (826, 95480), (868, 90860), (880, 89621), (944, 83545), (980, 80476), (1078, 73160), (1085, 72688), (1180, 66836), (1232, 64015), (1240, 63602), (1298, 60760), (1364, 57820), (1519, 51920), (1540, 51212), (1652, 47740), (1705, 46256), (1736, 45430), (1829, 43120), (1960, 40238), (2065, 38192), (2156, 36580), (2170, 36344), (2360, 33418), (2387, 33040), (2480, 31801), (2596, 30380), (2695, 29264), (2728, 28910), (2891, 27280), (3038, 25960), (3080, 25606), (3245, 24304), (3304, 23870), (3410, 23128), (3472, 22715), (3658, 21560), (3920, 20119), (4130, 19096), (4312, 18290), (4340, 18172), (4543, 17360), (4720, 16709), (4774, 16520), (5192, 15190), (5390, 14632), (5456, 14455), (5782, 13640), (6076, 12980), (6160, 12803), (6490, 12152), (6608, 11935), (6820, 11564), (7316, 10780), (7595, 10384), (8260, 9548), (8624, 9145), (8680, 9086)]