989237280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3567

約数の個数: 192

約数和(自身を含む): 3386880000

約数和(自身を除く): 2397642720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 114, 120, 124, 152, 155, 160, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 480, 496, 570, 589, 608, 620, 744, 760, 912, 930, 992, 1140, 1178, 1240, 1488, 1520, 1767, 1824, 1860, 2280, 2356, 2480, 2945, 2976, 3040, 3499, 3534, 3720, 4560, 4712, 4960, 5890, 6998, 7068, 7440, 8835, 9120, 9424, 10497, 11780, 13996, 14136, 14880, 17495, 17670, 18848, 20994, 23560, 27992, 28272, 34990, 35340, 41988, 47120, 52485, 55984, 56544, 66481, 69980, 70680, 83976, 94240, 104970, 108469, 111968, 132962, 139960, 141360, 167952, 199443, 209940, 216938, 265924, 279920, 282720, 325407, 332405, 335904, 398886, 419880, 433876, 531848, 542345, 559840, 650814, 664810, 797772, 839760, 867752, 997215, 1063696, 1084690, 1301628, 1329620, 1595544, 1627035, 1679520, 1735504, 1994430, 2060911, 2127392, 2169380, 2603256, 2659240, 3191088, 3254070, 3471008, 3988860, 4121822, 4338760, 5206512, 5318480, 6182733, 6382176, 6508140, 7977720, 8243644, 8677520, 10304555, 10413024, 10636960, 12365466, 13016280, 15955440, 16487288, 17355040, 20609110, 24730932, 26032560, 30913665, 31910880, 32974576, 41218220, 49461864, 52065120, 61827330, 65949152, 82436440, 98923728, 123654660, 164872880, 197847456, 247309320, 329745760, 494618640, 989237280]

約数ペア:

[(1, 989237280), (2, 494618640), (3, 329745760), (4, 247309320), (5, 197847456), (6, 164872880), (8, 123654660), (10, 98923728), (12, 82436440), (15, 65949152), (16, 61827330), (19, 52065120), (20, 49461864), (24, 41218220), (30, 32974576), (31, 31910880), (32, 30913665), (38, 26032560), (40, 24730932), (48, 20609110), (57, 17355040), (60, 16487288), (62, 15955440), (76, 13016280), (80, 12365466), (93, 10636960), (95, 10413024), (96, 10304555), (114, 8677520), (120, 8243644), (124, 7977720), (152, 6508140), (155, 6382176), (160, 6182733), (186, 5318480), (190, 5206512), (228, 4338760), (240, 4121822), (248, 3988860), (285, 3471008), (304, 3254070), (310, 3191088), (372, 2659240), (380, 2603256), (456, 2169380), (465, 2127392), (480, 2060911), (496, 1994430), (570, 1735504), (589, 1679520), (608, 1627035), (620, 1595544), (744, 1329620), (760, 1301628), (912, 1084690), (930, 1063696), (992, 997215), (1140, 867752), (1178, 839760), (1240, 797772), (1488, 664810), (1520, 650814), (1767, 559840), (1824, 542345), (1860, 531848), (2280, 433876), (2356, 419880), (2480, 398886), (2945, 335904), (2976, 332405), (3040, 325407), (3499, 282720), (3534, 279920), (3720, 265924), (4560, 216938), (4712, 209940), (4960, 199443), (5890, 167952), (6998, 141360), (7068, 139960), (7440, 132962), (8835, 111968), (9120, 108469), (9424, 104970), (10497, 94240), (11780, 83976), (13996, 70680), (14136, 69980), (14880, 66481), (17495, 56544), (17670, 55984), (18848, 52485), (20994, 47120), (23560, 41988), (27992, 35340), (28272, 34990)]