19959360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1260

約数の個数: 112

約数和(自身を含む): 67153536

約数和(自身を除く): 47194176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1223, 1360, 1632, 2040, 2446, 2720, 3264, 3669, 4080, 4892, 5440, 6115, 7338, 8160, 9784, 12230, 14676, 16320, 18345, 19568, 20791, 24460, 29352, 36690, 39136, 41582, 48920, 58704, 62373, 73380, 78272, 83164, 97840, 103955, 117408, 124746, 146760, 166328, 195680, 207910, 234816, 249492, 293520, 311865, 332656, 391360, 415820, 498984, 587040, 623730, 665312, 831640, 997968, 1174080, 1247460, 1330624, 1663280, 1995936, 2494920, 3326560, 3991872, 4989840, 6653120, 9979680, 19959360]

約数ペア:

[(1, 19959360), (2, 9979680), (3, 6653120), (4, 4989840), (5, 3991872), (6, 3326560), (8, 2494920), (10, 1995936), (12, 1663280), (15, 1330624), (16, 1247460), (17, 1174080), (20, 997968), (24, 831640), (30, 665312), (32, 623730), (34, 587040), (40, 498984), (48, 415820), (51, 391360), (60, 332656), (64, 311865), (68, 293520), (80, 249492), (85, 234816), (96, 207910), (102, 195680), (120, 166328), (136, 146760), (160, 124746), (170, 117408), (192, 103955), (204, 97840), (240, 83164), (255, 78272), (272, 73380), (320, 62373), (340, 58704), (408, 48920), (480, 41582), (510, 39136), (544, 36690), (680, 29352), (816, 24460), (960, 20791), (1020, 19568), (1088, 18345), (1223, 16320), (1360, 14676), (1632, 12230), (2040, 9784), (2446, 8160), (2720, 7338), (3264, 6115), (3669, 5440), (4080, 4892)]