21991791840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{2411}}^1$

素因数の和:3073

約数の個数: 192

約数和(自身を含む): 71655155712

約数和(自身を除く): 49663363872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 613, 620, 744, 930, 992, 1226, 1240, 1488, 1839, 1860, 2411, 2452, 2480, 2976, 3065, 3678, 3720, 4822, 4904, 4960, 6130, 7233, 7356, 7440, 9195, 9644, 9808, 12055, 12260, 14466, 14712, 14880, 18390, 19003, 19288, 19616, 24110, 24520, 28932, 29424, 36165, 36780, 38006, 38576, 48220, 49040, 57009, 57864, 58848, 72330, 73560, 74741, 76012, 77152, 95015, 96440, 98080, 114018, 115728, 144660, 147120, 149482, 152024, 190030, 192880, 224223, 228036, 231456, 285045, 289320, 294240, 298964, 304048, 373705, 380060, 385760, 448446, 456072, 570090, 578640, 597928, 608096, 747410, 760120, 896892, 912144, 1121115, 1140180, 1157280, 1195856, 1477943, 1494820, 1520240, 1793784, 1824288, 2242230, 2280360, 2391712, 2955886, 2989640, 3040480, 3587568, 4433829, 4484460, 4560720, 5911772, 5979280, 7175136, 7389715, 8867658, 8968920, 9121440, 11823544, 11958560, 14779430, 17735316, 17937840, 22169145, 23647088, 29558860, 35470632, 35875680, 44338290, 45816233, 47294176, 59117720, 70941264, 88676580, 91632466, 118235440, 137448699, 141882528, 177353160, 183264932, 229081165, 236470880, 274897398, 354706320, 366529864, 458162330, 549794796, 687243495, 709412640, 733059728, 916324660, 1099589592, 1374486990, 1466119456, 1832649320, 2199179184, 2748973980, 3665298640, 4398358368, 5497947960, 7330597280, 10995895920, 21991791840]

約数ペア:

[(1, 21991791840), (2, 10995895920), (3, 7330597280), (4, 5497947960), (5, 4398358368), (6, 3665298640), (8, 2748973980), (10, 2199179184), (12, 1832649320), (15, 1466119456), (16, 1374486990), (20, 1099589592), (24, 916324660), (30, 733059728), (31, 709412640), (32, 687243495), (40, 549794796), (48, 458162330), (60, 366529864), (62, 354706320), (80, 274897398), (93, 236470880), (96, 229081165), (120, 183264932), (124, 177353160), (155, 141882528), (160, 137448699), (186, 118235440), (240, 91632466), (248, 88676580), (310, 70941264), (372, 59117720), (465, 47294176), (480, 45816233), (496, 44338290), (613, 35875680), (620, 35470632), (744, 29558860), (930, 23647088), (992, 22169145), (1226, 17937840), (1240, 17735316), (1488, 14779430), (1839, 11958560), (1860, 11823544), (2411, 9121440), (2452, 8968920), (2480, 8867658), (2976, 7389715), (3065, 7175136), (3678, 5979280), (3720, 5911772), (4822, 4560720), (4904, 4484460), (4960, 4433829), (6130, 3587568), (7233, 3040480), (7356, 2989640), (7440, 2955886), (9195, 2391712), (9644, 2280360), (9808, 2242230), (12055, 1824288), (12260, 1793784), (14466, 1520240), (14712, 1494820), (14880, 1477943), (18390, 1195856), (19003, 1157280), (19288, 1140180), (19616, 1121115), (24110, 912144), (24520, 896892), (28932, 760120), (29424, 747410), (36165, 608096), (36780, 597928), (38006, 578640), (38576, 570090), (48220, 456072), (49040, 448446), (57009, 385760), (57864, 380060), (58848, 373705), (72330, 304048), (73560, 298964), (74741, 294240), (76012, 289320), (77152, 285045), (95015, 231456), (96440, 228036), (98080, 224223), (114018, 192880), (115728, 190030), (144660, 152024), (147120, 149482)]