77838720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 128

約数和(自身を含む): 252046080

約数和(自身を除く): 174207360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 284, 320, 355, 384, 426, 480, 568, 571, 640, 710, 852, 960, 1065, 1136, 1142, 1420, 1704, 1713, 1920, 2130, 2272, 2284, 2840, 2855, 3408, 3426, 4260, 4544, 4568, 5680, 5710, 6816, 6852, 8520, 8565, 9088, 9136, 11360, 11420, 13632, 13704, 17040, 17130, 18272, 22720, 22840, 27264, 27408, 34080, 34260, 36544, 40541, 45440, 45680, 54816, 68160, 68520, 73088, 81082, 91360, 109632, 121623, 136320, 137040, 162164, 182720, 202705, 219264, 243246, 274080, 324328, 365440, 405410, 486492, 548160, 608115, 648656, 810820, 972984, 1096320, 1216230, 1297312, 1621640, 1945968, 2432460, 2594624, 3243280, 3891936, 4864920, 5189248, 6486560, 7783872, 9729840, 12973120, 15567744, 19459680, 25946240, 38919360, 77838720]

約数ペア:

[(1, 77838720), (2, 38919360), (3, 25946240), (4, 19459680), (5, 15567744), (6, 12973120), (8, 9729840), (10, 7783872), (12, 6486560), (15, 5189248), (16, 4864920), (20, 3891936), (24, 3243280), (30, 2594624), (32, 2432460), (40, 1945968), (48, 1621640), (60, 1297312), (64, 1216230), (71, 1096320), (80, 972984), (96, 810820), (120, 648656), (128, 608115), (142, 548160), (160, 486492), (192, 405410), (213, 365440), (240, 324328), (284, 274080), (320, 243246), (355, 219264), (384, 202705), (426, 182720), (480, 162164), (568, 137040), (571, 136320), (640, 121623), (710, 109632), (852, 91360), (960, 81082), (1065, 73088), (1136, 68520), (1142, 68160), (1420, 54816), (1704, 45680), (1713, 45440), (1920, 40541), (2130, 36544), (2272, 34260), (2284, 34080), (2840, 27408), (2855, 27264), (3408, 22840), (3426, 22720), (4260, 18272), (4544, 17130), (4568, 17040), (5680, 13704), (5710, 13632), (6816, 11420), (6852, 11360), (8520, 9136), (8565, 9088)]