19452960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 240

約数和(自身を含む): 73180800

約数和(自身を除く): 53727840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 79, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 158, 160, 162, 171, 180, 190, 216, 228, 237, 240, 270, 285, 288, 304, 316, 324, 342, 360, 380, 395, 405, 432, 456, 474, 480, 513, 540, 570, 608, 632, 648, 684, 711, 720, 760, 790, 810, 855, 864, 912, 948, 1026, 1080, 1140, 1185, 1264, 1296, 1368, 1422, 1440, 1501, 1520, 1539, 1580, 1620, 1710, 1824, 1896, 2052, 2133, 2160, 2280, 2370, 2528, 2565, 2592, 2736, 2844, 3002, 3040, 3078, 3160, 3240, 3420, 3555, 3792, 4104, 4266, 4320, 4503, 4560, 4740, 5130, 5472, 5688, 6004, 6156, 6320, 6399, 6480, 6840, 7110, 7505, 7584, 7695, 8208, 8532, 9006, 9120, 9480, 10260, 10665, 11376, 12008, 12312, 12640, 12798, 12960, 13509, 13680, 14220, 15010, 15390, 16416, 17064, 18012, 18960, 20520, 21330, 22515, 22752, 24016, 24624, 25596, 27018, 27360, 28440, 30020, 30780, 31995, 34128, 36024, 37920, 40527, 41040, 42660, 45030, 48032, 49248, 51192, 54036, 56880, 60040, 61560, 63990, 67545, 68256, 72048, 81054, 82080, 85320, 90060, 102384, 108072, 113760, 120080, 121581, 123120, 127980, 135090, 144096, 162108, 170640, 180120, 202635, 204768, 216144, 240160, 243162, 246240, 255960, 270180, 324216, 341280, 360240, 405270, 432288, 486324, 511920, 540360, 607905, 648432, 720480, 810540, 972648, 1023840, 1080720, 1215810, 1296864, 1621080, 1945296, 2161440, 2431620, 3242160, 3890592, 4863240, 6484320, 9726480, 19452960]

約数ペア:

[(1, 19452960), (2, 9726480), (3, 6484320), (4, 4863240), (5, 3890592), (6, 3242160), (8, 2431620), (9, 2161440), (10, 1945296), (12, 1621080), (15, 1296864), (16, 1215810), (18, 1080720), (19, 1023840), (20, 972648), (24, 810540), (27, 720480), (30, 648432), (32, 607905), (36, 540360), (38, 511920), (40, 486324), (45, 432288), (48, 405270), (54, 360240), (57, 341280), (60, 324216), (72, 270180), (76, 255960), (79, 246240), (80, 243162), (81, 240160), (90, 216144), (95, 204768), (96, 202635), (108, 180120), (114, 170640), (120, 162108), (135, 144096), (144, 135090), (152, 127980), (158, 123120), (160, 121581), (162, 120080), (171, 113760), (180, 108072), (190, 102384), (216, 90060), (228, 85320), (237, 82080), (240, 81054), (270, 72048), (285, 68256), (288, 67545), (304, 63990), (316, 61560), (324, 60040), (342, 56880), (360, 54036), (380, 51192), (395, 49248), (405, 48032), (432, 45030), (456, 42660), (474, 41040), (480, 40527), (513, 37920), (540, 36024), (570, 34128), (608, 31995), (632, 30780), (648, 30020), (684, 28440), (711, 27360), (720, 27018), (760, 25596), (790, 24624), (810, 24016), (855, 22752), (864, 22515), (912, 21330), (948, 20520), (1026, 18960), (1080, 18012), (1140, 17064), (1185, 16416), (1264, 15390), (1296, 15010), (1368, 14220), (1422, 13680), (1440, 13509), (1501, 12960), (1520, 12798), (1539, 12640), (1580, 12312), (1620, 12008), (1710, 11376), (1824, 10665), (1896, 10260), (2052, 9480), (2133, 9120), (2160, 9006), (2280, 8532), (2370, 8208), (2528, 7695), (2565, 7584), (2592, 7505), (2736, 7110), (2844, 6840), (3002, 6480), (3040, 6399), (3078, 6320), (3160, 6156), (3240, 6004), (3420, 5688), (3555, 5472), (3792, 5130), (4104, 4740), (4266, 4560), (4320, 4503)]