19909031040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31139}}^1$

素因数の和:31204

約数の個数: 256

約数和(自身を含む): 72419184000

約数和(自身を除く): 52510152960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 384, 432, 444, 480, 540, 555, 576, 592, 640, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1152, 1184, 1332, 1440, 1480, 1665, 1728, 1776, 1920, 1998, 2160, 2220, 2368, 2664, 2880, 2960, 3330, 3456, 3552, 3996, 4320, 4440, 4736, 4995, 5328, 5760, 5920, 6660, 7104, 7992, 8640, 8880, 9990, 10656, 11840, 13320, 14208, 15984, 17280, 17760, 19980, 21312, 23680, 26640, 31139, 31968, 35520, 39960, 42624, 53280, 62278, 63936, 71040, 79920, 93417, 106560, 124556, 127872, 155695, 159840, 186834, 213120, 249112, 280251, 311390, 319680, 373668, 467085, 498224, 560502, 622780, 639360, 747336, 840753, 934170, 996448, 1121004, 1152143, 1245560, 1401255, 1494672, 1681506, 1868340, 1992896, 2242008, 2304286, 2491120, 2802510, 2989344, 3363012, 3456429, 3736680, 3985792, 4203765, 4484016, 4608572, 4982240, 5605020, 5760715, 5978688, 6726024, 6912858, 7473360, 8407530, 8968032, 9217144, 9964480, 10369287, 11210040, 11521430, 11957376, 13452048, 13825716, 14946720, 16815060, 17282145, 17936064, 18434288, 19928960, 20738574, 22420080, 23042860, 26904096, 27651432, 29893440, 31107861, 33630120, 34564290, 35872128, 36868576, 41477148, 44840160, 46085720, 51846435, 53808192, 55302864, 59786880, 62215722, 67260240, 69128580, 73737152, 82954296, 89680320, 92171440, 103692870, 107616384, 110605728, 124431444, 134520480, 138257160, 147474304, 155539305, 165908592, 179360640, 184342880, 207385740, 221211456, 248862888, 269040960, 276514320, 311078610, 331817184, 368685760, 414771480, 442422912, 497725776, 538081920, 553028640, 622157220, 663634368, 737371520, 829542960, 995451552, 1106057280, 1244314440, 1327268736, 1659085920, 1990903104, 2212114560, 2488628880, 3318171840, 3981806208, 4977257760, 6636343680, 9954515520, 19909031040]

約数ペア:

[(1, 19909031040), (2, 9954515520), (3, 6636343680), (4, 4977257760), (5, 3981806208), (6, 3318171840), (8, 2488628880), (9, 2212114560), (10, 1990903104), (12, 1659085920), (15, 1327268736), (16, 1244314440), (18, 1106057280), (20, 995451552), (24, 829542960), (27, 737371520), (30, 663634368), (32, 622157220), (36, 553028640), (37, 538081920), (40, 497725776), (45, 442422912), (48, 414771480), (54, 368685760), (60, 331817184), (64, 311078610), (72, 276514320), (74, 269040960), (80, 248862888), (90, 221211456), (96, 207385740), (108, 184342880), (111, 179360640), (120, 165908592), (128, 155539305), (135, 147474304), (144, 138257160), (148, 134520480), (160, 124431444), (180, 110605728), (185, 107616384), (192, 103692870), (216, 92171440), (222, 89680320), (240, 82954296), (270, 73737152), (288, 69128580), (296, 67260240), (320, 62215722), (333, 59786880), (360, 55302864), (370, 53808192), (384, 51846435), (432, 46085720), (444, 44840160), (480, 41477148), (540, 36868576), (555, 35872128), (576, 34564290), (592, 33630120), (640, 31107861), (666, 29893440), (720, 27651432), (740, 26904096), (864, 23042860), (888, 22420080), (960, 20738574), (999, 19928960), (1080, 18434288), (1110, 17936064), (1152, 17282145), (1184, 16815060), (1332, 14946720), (1440, 13825716), (1480, 13452048), (1665, 11957376), (1728, 11521430), (1776, 11210040), (1920, 10369287), (1998, 9964480), (2160, 9217144), (2220, 8968032), (2368, 8407530), (2664, 7473360), (2880, 6912858), (2960, 6726024), (3330, 5978688), (3456, 5760715), (3552, 5605020), (3996, 4982240), (4320, 4608572), (4440, 4484016), (4736, 4203765), (4995, 3985792), (5328, 3736680), (5760, 3456429), (5920, 3363012), (6660, 2989344), (7104, 2802510), (7992, 2491120), (8640, 2304286), (8880, 2242008), (9990, 1992896), (10656, 1868340), (11840, 1681506), (13320, 1494672), (14208, 1401255), (15984, 1245560), (17280, 1152143), (17760, 1121004), (19980, 996448), (21312, 934170), (23680, 840753), (26640, 747336), (31139, 639360), (31968, 622780), (35520, 560502), (39960, 498224), (42624, 467085), (53280, 373668), (62278, 319680), (63936, 311390), (71040, 280251), (79920, 249112), (93417, 213120), (106560, 186834), (124556, 159840), (127872, 155695)]