19588320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 68245632

約数和(自身を除く): 48657312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 223, 240, 244, 288, 305, 360, 366, 446, 480, 488, 549, 610, 669, 720, 732, 892, 915, 976, 1098, 1115, 1220, 1338, 1440, 1464, 1784, 1830, 1952, 2007, 2196, 2230, 2440, 2676, 2745, 2928, 3345, 3568, 3660, 4014, 4392, 4460, 4880, 5352, 5490, 5856, 6690, 7136, 7320, 8028, 8784, 8920, 9760, 10035, 10704, 10980, 13380, 13603, 14640, 16056, 17568, 17840, 20070, 21408, 21960, 26760, 27206, 29280, 32112, 35680, 40140, 40809, 43920, 53520, 54412, 64224, 68015, 80280, 81618, 87840, 107040, 108824, 122427, 136030, 160560, 163236, 204045, 217648, 244854, 272060, 321120, 326472, 408090, 435296, 489708, 544120, 612135, 652944, 816180, 979416, 1088240, 1224270, 1305888, 1632360, 1958832, 2176480, 2448540, 3264720, 3917664, 4897080, 6529440, 9794160, 19588320]

約数ペア:

[(1, 19588320), (2, 9794160), (3, 6529440), (4, 4897080), (5, 3917664), (6, 3264720), (8, 2448540), (9, 2176480), (10, 1958832), (12, 1632360), (15, 1305888), (16, 1224270), (18, 1088240), (20, 979416), (24, 816180), (30, 652944), (32, 612135), (36, 544120), (40, 489708), (45, 435296), (48, 408090), (60, 326472), (61, 321120), (72, 272060), (80, 244854), (90, 217648), (96, 204045), (120, 163236), (122, 160560), (144, 136030), (160, 122427), (180, 108824), (183, 107040), (223, 87840), (240, 81618), (244, 80280), (288, 68015), (305, 64224), (360, 54412), (366, 53520), (446, 43920), (480, 40809), (488, 40140), (549, 35680), (610, 32112), (669, 29280), (720, 27206), (732, 26760), (892, 21960), (915, 21408), (976, 20070), (1098, 17840), (1115, 17568), (1220, 16056), (1338, 14640), (1440, 13603), (1464, 13380), (1784, 10980), (1830, 10704), (1952, 10035), (2007, 9760), (2196, 8920), (2230, 8784), (2440, 8028), (2676, 7320), (2745, 7136), (2928, 6690), (3345, 5856), (3568, 5490), (3660, 5352), (4014, 4880), (4392, 4460)]