81508706720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1\times {\mathrm{3037}}^1$

素因数の和:3863

約数の個数: 192

約数和(自身を含む): 227541436416

約数和(自身を除く): 146032729696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 773, 868, 992, 1085, 1120, 1240, 1546, 1736, 2170, 2480, 3037, 3092, 3472, 3865, 4340, 4960, 5411, 6074, 6184, 6944, 7730, 8680, 10822, 12148, 12368, 15185, 15460, 17360, 21259, 21644, 23963, 24296, 24736, 27055, 30370, 30920, 34720, 42518, 43288, 47926, 48592, 54110, 60740, 61840, 85036, 86576, 94147, 95852, 97184, 106295, 108220, 119815, 121480, 123680, 167741, 170072, 173152, 188294, 191704, 212590, 216440, 239630, 242960, 335482, 340144, 376588, 383408, 425180, 432880, 470735, 479260, 485920, 659029, 670964, 680288, 753176, 766816, 838705, 850360, 865760, 941470, 958520, 1318058, 1341928, 1506352, 1677410, 1700720, 1882940, 1917040, 2347601, 2636116, 2683856, 3012704, 3295145, 3354820, 3401440, 3765880, 3834080, 4695202, 5272232, 5367712, 6590290, 6709640, 7531760, 9390404, 10544464, 11738005, 13180580, 13419280, 15063520, 16433207, 18780808, 21088928, 23476010, 26361160, 26838560, 32866414, 37561616, 46952020, 52722320, 65732828, 72775631, 75123232, 82166035, 93904040, 105444640, 131465656, 145551262, 164332070, 187808080, 262931312, 291102524, 328664140, 363878155, 375616160, 509429417, 525862624, 582205048, 657328280, 727756310, 1018858834, 1164410096, 1314656560, 1455512620, 2037717668, 2328820192, 2547147085, 2629313120, 2911025240, 4075435336, 5094294170, 5822050480, 8150870672, 10188588340, 11644100960, 16301741344, 20377176680, 40754353360, 81508706720]

約数ペア:

[(1, 81508706720), (2, 40754353360), (4, 20377176680), (5, 16301741344), (7, 11644100960), (8, 10188588340), (10, 8150870672), (14, 5822050480), (16, 5094294170), (20, 4075435336), (28, 2911025240), (31, 2629313120), (32, 2547147085), (35, 2328820192), (40, 2037717668), (56, 1455512620), (62, 1314656560), (70, 1164410096), (80, 1018858834), (112, 727756310), (124, 657328280), (140, 582205048), (155, 525862624), (160, 509429417), (217, 375616160), (224, 363878155), (248, 328664140), (280, 291102524), (310, 262931312), (434, 187808080), (496, 164332070), (560, 145551262), (620, 131465656), (773, 105444640), (868, 93904040), (992, 82166035), (1085, 75123232), (1120, 72775631), (1240, 65732828), (1546, 52722320), (1736, 46952020), (2170, 37561616), (2480, 32866414), (3037, 26838560), (3092, 26361160), (3472, 23476010), (3865, 21088928), (4340, 18780808), (4960, 16433207), (5411, 15063520), (6074, 13419280), (6184, 13180580), (6944, 11738005), (7730, 10544464), (8680, 9390404), (10822, 7531760), (12148, 6709640), (12368, 6590290), (15185, 5367712), (15460, 5272232), (17360, 4695202), (21259, 3834080), (21644, 3765880), (23963, 3401440), (24296, 3354820), (24736, 3295145), (27055, 3012704), (30370, 2683856), (30920, 2636116), (34720, 2347601), (42518, 1917040), (43288, 1882940), (47926, 1700720), (48592, 1677410), (54110, 1506352), (60740, 1341928), (61840, 1318058), (85036, 958520), (86576, 941470), (94147, 865760), (95852, 850360), (97184, 838705), (106295, 766816), (108220, 753176), (119815, 680288), (121480, 670964), (123680, 659029), (167741, 485920), (170072, 479260), (173152, 470735), (188294, 432880), (191704, 425180), (212590, 383408), (216440, 376588), (239630, 340144), (242960, 335482)]