1640133120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:223

約数の個数: 240

約数和(自身を含む): 5478435072

約数和(自身を除く): 3838301952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 83, 93, 96, 120, 124, 128, 155, 160, 166, 186, 192, 240, 248, 249, 256, 310, 320, 332, 372, 384, 415, 465, 480, 496, 498, 512, 620, 640, 664, 744, 768, 830, 930, 960, 992, 996, 1240, 1245, 1280, 1328, 1488, 1536, 1660, 1860, 1920, 1984, 1992, 2480, 2490, 2560, 2573, 2656, 2976, 3320, 3720, 3840, 3968, 3984, 4960, 4980, 5146, 5312, 5952, 6640, 6889, 7440, 7680, 7719, 7936, 7968, 9920, 9960, 10292, 10624, 11904, 12865, 13280, 13778, 14880, 15438, 15872, 15936, 19840, 19920, 20584, 20667, 21248, 23808, 25730, 26560, 27556, 29760, 30876, 31872, 34445, 38595, 39680, 39840, 41168, 41334, 42496, 47616, 51460, 53120, 55112, 59520, 61752, 63744, 68890, 77190, 79360, 79680, 82336, 82668, 102920, 103335, 106240, 110224, 119040, 123504, 127488, 137780, 154380, 159360, 164672, 165336, 205840, 206670, 212480, 213559, 220448, 238080, 247008, 275560, 308760, 318720, 329344, 330672, 411680, 413340, 427118, 440896, 494016, 551120, 617520, 637440, 640677, 658688, 661344, 823360, 826680, 854236, 881792, 988032, 1067795, 1102240, 1235040, 1281354, 1317376, 1322688, 1646720, 1653360, 1708472, 1763584, 1976064, 2135590, 2204480, 2470080, 2562708, 2645376, 3203385, 3293440, 3306720, 3416944, 3527168, 3952128, 4271180, 4408960, 4940160, 5125416, 5290752, 6406770, 6586880, 6613440, 6833888, 8542360, 8817920, 9880320, 10250832, 10581504, 12813540, 13226880, 13667776, 17084720, 17635840, 19760640, 20501664, 25627080, 26453760, 27335552, 34169440, 41003328, 51254160, 52907520, 54671104, 68338880, 82006656, 102508320, 109342208, 136677760, 164013312, 205016640, 273355520, 328026624, 410033280, 546711040, 820066560, 1640133120]

約数ペア:

[(1, 1640133120), (2, 820066560), (3, 546711040), (4, 410033280), (5, 328026624), (6, 273355520), (8, 205016640), (10, 164013312), (12, 136677760), (15, 109342208), (16, 102508320), (20, 82006656), (24, 68338880), (30, 54671104), (31, 52907520), (32, 51254160), (40, 41003328), (48, 34169440), (60, 27335552), (62, 26453760), (64, 25627080), (80, 20501664), (83, 19760640), (93, 17635840), (96, 17084720), (120, 13667776), (124, 13226880), (128, 12813540), (155, 10581504), (160, 10250832), (166, 9880320), (186, 8817920), (192, 8542360), (240, 6833888), (248, 6613440), (249, 6586880), (256, 6406770), (310, 5290752), (320, 5125416), (332, 4940160), (372, 4408960), (384, 4271180), (415, 3952128), (465, 3527168), (480, 3416944), (496, 3306720), (498, 3293440), (512, 3203385), (620, 2645376), (640, 2562708), (664, 2470080), (744, 2204480), (768, 2135590), (830, 1976064), (930, 1763584), (960, 1708472), (992, 1653360), (996, 1646720), (1240, 1322688), (1245, 1317376), (1280, 1281354), (1328, 1235040), (1488, 1102240), (1536, 1067795), (1660, 988032), (1860, 881792), (1920, 854236), (1984, 826680), (1992, 823360), (2480, 661344), (2490, 658688), (2560, 640677), (2573, 637440), (2656, 617520), (2976, 551120), (3320, 494016), (3720, 440896), (3840, 427118), (3968, 413340), (3984, 411680), (4960, 330672), (4980, 329344), (5146, 318720), (5312, 308760), (5952, 275560), (6640, 247008), (6889, 238080), (7440, 220448), (7680, 213559), (7719, 212480), (7936, 206670), (7968, 205840), (9920, 165336), (9960, 164672), (10292, 159360), (10624, 154380), (11904, 137780), (12865, 127488), (13280, 123504), (13778, 119040), (14880, 110224), (15438, 106240), (15872, 103335), (15936, 102920), (19840, 82668), (19920, 82336), (20584, 79680), (20667, 79360), (21248, 77190), (23808, 68890), (25730, 63744), (26560, 61752), (27556, 59520), (29760, 55112), (30876, 53120), (31872, 51460), (34445, 47616), (38595, 42496), (39680, 41334), (39840, 41168)]