378326480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:138

約数の個数: 240

約数和(自身を含む): 1122963840

約数和(自身を除く): 744637360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 37, 38, 40, 56, 62, 70, 74, 76, 80, 95, 112, 124, 133, 140, 148, 152, 155, 185, 190, 217, 248, 259, 266, 280, 296, 304, 310, 370, 380, 434, 496, 518, 532, 560, 589, 592, 620, 665, 703, 740, 760, 868, 961, 1036, 1064, 1085, 1147, 1178, 1240, 1295, 1330, 1406, 1480, 1520, 1736, 1922, 2072, 2128, 2170, 2294, 2356, 2480, 2590, 2660, 2812, 2945, 2960, 3472, 3515, 3844, 4123, 4144, 4340, 4588, 4712, 4805, 4921, 5180, 5320, 5624, 5735, 5890, 6727, 7030, 7688, 8029, 8246, 8680, 9176, 9424, 9610, 9842, 10360, 10640, 11248, 11470, 11780, 13454, 14060, 15376, 16058, 16492, 17360, 18259, 18352, 19220, 19684, 20615, 20720, 21793, 22940, 23560, 24605, 26908, 28120, 32116, 32984, 33635, 35557, 36518, 38440, 39368, 40145, 41230, 43586, 45880, 47120, 49210, 53816, 56240, 64232, 65968, 67270, 71114, 73036, 76880, 78736, 80290, 82460, 87172, 91295, 91760, 98420, 107632, 108965, 127813, 128464, 134540, 142228, 146072, 152551, 160580, 164920, 174344, 177785, 182590, 196840, 217930, 248899, 255626, 269080, 284456, 292144, 305102, 321160, 329840, 348688, 355570, 365180, 393680, 435860, 497798, 511252, 538160, 568912, 610204, 639065, 642320, 675583, 711140, 730360, 762755, 871720, 995596, 1022504, 1220408, 1244495, 1278130, 1351166, 1422280, 1460720, 1525510, 1743440, 1991192, 2045008, 2440816, 2488990, 2556260, 2702332, 2844560, 3051020, 3377915, 3982384, 4729081, 4977980, 5112520, 5404664, 6102040, 6755830, 9458162, 9955960, 10225040, 10809328, 12204080, 13511660, 18916324, 19911920, 23645405, 27023320, 37832648, 47290810, 54046640, 75665296, 94581620, 189163240, 378326480]

約数ペア:

[(1, 378326480), (2, 189163240), (4, 94581620), (5, 75665296), (7, 54046640), (8, 47290810), (10, 37832648), (14, 27023320), (16, 23645405), (19, 19911920), (20, 18916324), (28, 13511660), (31, 12204080), (35, 10809328), (37, 10225040), (38, 9955960), (40, 9458162), (56, 6755830), (62, 6102040), (70, 5404664), (74, 5112520), (76, 4977980), (80, 4729081), (95, 3982384), (112, 3377915), (124, 3051020), (133, 2844560), (140, 2702332), (148, 2556260), (152, 2488990), (155, 2440816), (185, 2045008), (190, 1991192), (217, 1743440), (248, 1525510), (259, 1460720), (266, 1422280), (280, 1351166), (296, 1278130), (304, 1244495), (310, 1220408), (370, 1022504), (380, 995596), (434, 871720), (496, 762755), (518, 730360), (532, 711140), (560, 675583), (589, 642320), (592, 639065), (620, 610204), (665, 568912), (703, 538160), (740, 511252), (760, 497798), (868, 435860), (961, 393680), (1036, 365180), (1064, 355570), (1085, 348688), (1147, 329840), (1178, 321160), (1240, 305102), (1295, 292144), (1330, 284456), (1406, 269080), (1480, 255626), (1520, 248899), (1736, 217930), (1922, 196840), (2072, 182590), (2128, 177785), (2170, 174344), (2294, 164920), (2356, 160580), (2480, 152551), (2590, 146072), (2660, 142228), (2812, 134540), (2945, 128464), (2960, 127813), (3472, 108965), (3515, 107632), (3844, 98420), (4123, 91760), (4144, 91295), (4340, 87172), (4588, 82460), (4712, 80290), (4805, 78736), (4921, 76880), (5180, 73036), (5320, 71114), (5624, 67270), (5735, 65968), (5890, 64232), (6727, 56240), (7030, 53816), (7688, 49210), (8029, 47120), (8246, 45880), (8680, 43586), (9176, 41230), (9424, 40145), (9610, 39368), (9842, 38440), (10360, 36518), (10640, 35557), (11248, 33635), (11470, 32984), (11780, 32116), (13454, 28120), (14060, 26908), (15376, 24605), (16058, 23560), (16492, 22940), (17360, 21793), (18259, 20720), (18352, 20615), (19220, 19684)]