18563760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 69638400

約数和(自身を除く): 51074640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 48, 57, 59, 60, 69, 72, 76, 80, 90, 92, 95, 114, 115, 118, 120, 138, 144, 152, 171, 177, 180, 184, 190, 207, 228, 230, 236, 240, 276, 285, 295, 304, 342, 345, 354, 360, 368, 380, 414, 437, 456, 460, 472, 531, 552, 570, 590, 684, 690, 708, 720, 760, 828, 855, 874, 885, 912, 920, 944, 1035, 1062, 1104, 1121, 1140, 1180, 1311, 1357, 1368, 1380, 1416, 1520, 1656, 1710, 1748, 1770, 1840, 2070, 2124, 2185, 2242, 2280, 2360, 2622, 2655, 2714, 2736, 2760, 2832, 3312, 3363, 3420, 3496, 3540, 3933, 4071, 4140, 4248, 4370, 4484, 4560, 4720, 5244, 5310, 5428, 5520, 5605, 6555, 6726, 6785, 6840, 6992, 7080, 7866, 8142, 8280, 8496, 8740, 8968, 10089, 10488, 10620, 10856, 11210, 12213, 13110, 13452, 13570, 13680, 14160, 15732, 16284, 16560, 16815, 17480, 17936, 19665, 20178, 20355, 20976, 21240, 21712, 22420, 24426, 25783, 26220, 26904, 27140, 31464, 32568, 33630, 34960, 39330, 40356, 40710, 42480, 44840, 48852, 50445, 51566, 52440, 53808, 54280, 61065, 62928, 65136, 67260, 77349, 78660, 80712, 81420, 89680, 97704, 100890, 103132, 104880, 108560, 122130, 128915, 134520, 154698, 157320, 161424, 162840, 195408, 201780, 206264, 232047, 244260, 257830, 269040, 309396, 314640, 325680, 386745, 403560, 412528, 464094, 488520, 515660, 618792, 773490, 807120, 928188, 977040, 1031320, 1160235, 1237584, 1546980, 1856376, 2062640, 2320470, 3093960, 3712752, 4640940, 6187920, 9281880, 18563760]

約数ペア:

[(1, 18563760), (2, 9281880), (3, 6187920), (4, 4640940), (5, 3712752), (6, 3093960), (8, 2320470), (9, 2062640), (10, 1856376), (12, 1546980), (15, 1237584), (16, 1160235), (18, 1031320), (19, 977040), (20, 928188), (23, 807120), (24, 773490), (30, 618792), (36, 515660), (38, 488520), (40, 464094), (45, 412528), (46, 403560), (48, 386745), (57, 325680), (59, 314640), (60, 309396), (69, 269040), (72, 257830), (76, 244260), (80, 232047), (90, 206264), (92, 201780), (95, 195408), (114, 162840), (115, 161424), (118, 157320), (120, 154698), (138, 134520), (144, 128915), (152, 122130), (171, 108560), (177, 104880), (180, 103132), (184, 100890), (190, 97704), (207, 89680), (228, 81420), (230, 80712), (236, 78660), (240, 77349), (276, 67260), (285, 65136), (295, 62928), (304, 61065), (342, 54280), (345, 53808), (354, 52440), (360, 51566), (368, 50445), (380, 48852), (414, 44840), (437, 42480), (456, 40710), (460, 40356), (472, 39330), (531, 34960), (552, 33630), (570, 32568), (590, 31464), (684, 27140), (690, 26904), (708, 26220), (720, 25783), (760, 24426), (828, 22420), (855, 21712), (874, 21240), (885, 20976), (912, 20355), (920, 20178), (944, 19665), (1035, 17936), (1062, 17480), (1104, 16815), (1121, 16560), (1140, 16284), (1180, 15732), (1311, 14160), (1357, 13680), (1368, 13570), (1380, 13452), (1416, 13110), (1520, 12213), (1656, 11210), (1710, 10856), (1748, 10620), (1770, 10488), (1840, 10089), (2070, 8968), (2124, 8740), (2185, 8496), (2242, 8280), (2280, 8142), (2360, 7866), (2622, 7080), (2655, 6992), (2714, 6840), (2736, 6785), (2760, 6726), (2832, 6555), (3312, 5605), (3363, 5520), (3420, 5428), (3496, 5310), (3540, 5244), (3933, 4720), (4071, 4560), (4140, 4484), (4248, 4370)]