20286998280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{10457}}^1$

素因数の和:10808

約数の個数: 192

約数和(自身を含む): 70038062640

約数和(自身を除く): 49751064360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 317, 340, 360, 408, 510, 612, 634, 680, 765, 951, 1020, 1224, 1268, 1530, 1585, 1902, 2040, 2536, 2853, 3060, 3170, 3804, 4755, 5389, 5706, 6120, 6340, 7608, 9510, 10457, 10778, 11412, 12680, 14265, 16167, 19020, 20914, 21556, 22824, 26945, 28530, 31371, 32334, 38040, 41828, 43112, 48501, 52285, 53890, 57060, 62742, 64668, 80835, 83656, 94113, 97002, 104570, 107780, 114120, 125484, 129336, 156855, 161670, 177769, 188226, 194004, 209140, 215560, 242505, 250968, 313710, 323340, 355538, 376452, 388008, 418280, 470565, 485010, 533307, 627420, 646680, 711076, 752904, 888845, 941130, 970020, 1066614, 1254840, 1422152, 1599921, 1777690, 1882260, 1940040, 2133228, 2666535, 3199842, 3314869, 3555380, 3764520, 4266456, 5333070, 6399684, 6629738, 7110760, 7999605, 9944607, 10666140, 12799368, 13259476, 15999210, 16574345, 19889214, 21332280, 26518952, 29833821, 31998420, 33148690, 39778428, 49723035, 56352773, 59667642, 63996840, 66297380, 79556856, 99446070, 112705546, 119335284, 132594760, 149169105, 169058319, 198892140, 225411092, 238670568, 281763865, 298338210, 338116638, 397784280, 450822184, 507174957, 563527730, 596676420, 676233276, 845291595, 1014349914, 1127055460, 1193352840, 1352466552, 1690583190, 2028699828, 2254110920, 2535874785, 3381166380, 4057399656, 5071749570, 6762332760, 10143499140, 20286998280]

約数ペア:

[(1, 20286998280), (2, 10143499140), (3, 6762332760), (4, 5071749570), (5, 4057399656), (6, 3381166380), (8, 2535874785), (9, 2254110920), (10, 2028699828), (12, 1690583190), (15, 1352466552), (17, 1193352840), (18, 1127055460), (20, 1014349914), (24, 845291595), (30, 676233276), (34, 596676420), (36, 563527730), (40, 507174957), (45, 450822184), (51, 397784280), (60, 338116638), (68, 298338210), (72, 281763865), (85, 238670568), (90, 225411092), (102, 198892140), (120, 169058319), (136, 149169105), (153, 132594760), (170, 119335284), (180, 112705546), (204, 99446070), (255, 79556856), (306, 66297380), (317, 63996840), (340, 59667642), (360, 56352773), (408, 49723035), (510, 39778428), (612, 33148690), (634, 31998420), (680, 29833821), (765, 26518952), (951, 21332280), (1020, 19889214), (1224, 16574345), (1268, 15999210), (1530, 13259476), (1585, 12799368), (1902, 10666140), (2040, 9944607), (2536, 7999605), (2853, 7110760), (3060, 6629738), (3170, 6399684), (3804, 5333070), (4755, 4266456), (5389, 3764520), (5706, 3555380), (6120, 3314869), (6340, 3199842), (7608, 2666535), (9510, 2133228), (10457, 1940040), (10778, 1882260), (11412, 1777690), (12680, 1599921), (14265, 1422152), (16167, 1254840), (19020, 1066614), (20914, 970020), (21556, 941130), (22824, 888845), (26945, 752904), (28530, 711076), (31371, 646680), (32334, 627420), (38040, 533307), (41828, 485010), (43112, 470565), (48501, 418280), (52285, 388008), (53890, 376452), (57060, 355538), (62742, 323340), (64668, 313710), (80835, 250968), (83656, 242505), (94113, 215560), (97002, 209140), (104570, 194004), (107780, 188226), (114120, 177769), (125484, 161670), (129336, 156855)]