19760640

素因数分解:

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

素因数の和:140

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 46235136

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, 7440, 7680, 7719, 7936, 7968, 9920, 9960, 10292, 10624, 11904, 12865, 13280, 14880, 15438, 15872, 15936, 19840, 19920, 20584, 21248, 23808, 25730, 26560, 29760, 30876, 31872, 38595, 39680, 39840, 41168, 42496, 47616, 51460, 53120, 59520, 61752, 63744, 77190, 79360, 79680, 82336, 102920, 106240, 119040, 123504, 127488, 154380, 159360, 164672, 205840, 212480, 238080, 247008, 308760, 318720, 329344, 411680, 494016, 617520, 637440, 658688, 823360, 988032, 1235040, 1317376, 1646720, 1976064, 2470080, 3293440, 3952128, 4940160, 6586880, 9880320, 19760640]

約数ペア:

[(1, 19760640), (2, 9880320), (3, 6586880), (4, 4940160), (5, 3952128), (6, 3293440), (8, 2470080), (10, 1976064), (12, 1646720), (15, 1317376), (16, 1235040), (20, 988032), (24, 823360), (30, 658688), (31, 637440), (32, 617520), (40, 494016), (48, 411680), (60, 329344), (62, 318720), (64, 308760), (80, 247008), (83, 238080), (93, 212480), (96, 205840), (120, 164672), (124, 159360), (128, 154380), (155, 127488), (160, 123504), (166, 119040), (186, 106240), (192, 102920), (240, 82336), (248, 79680), (249, 79360), (256, 77190), (310, 63744), (320, 61752), (332, 59520), (372, 53120), (384, 51460), (415, 47616), (465, 42496), (480, 41168), (496, 39840), (498, 39680), (512, 38595), (620, 31872), (640, 30876), (664, 29760), (744, 26560), (768, 25730), (830, 23808), (930, 21248), (960, 20584), (992, 19920), (996, 19840), (1240, 15936), (1245, 15872), (1280, 15438), (1328, 14880), (1488, 13280), (1536, 12865), (1660, 11904), (1860, 10624), (1920, 10292), (1984, 9960), (1992, 9920), (2480, 7968), (2490, 7936), (2560, 7719), (2573, 7680), (2656, 7440), (2976, 6640), (3320, 5952), (3720, 5312), (3840, 5146), (3968, 4980), (3984, 4960)]