31080960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 240

約数和(自身を含む): 114903360

約数和(自身を除く): 83822400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 71, 72, 76, 80, 90, 95, 96, 114, 120, 128, 142, 144, 152, 160, 171, 180, 190, 192, 213, 228, 240, 256, 284, 285, 288, 304, 320, 342, 355, 360, 380, 384, 426, 456, 480, 512, 568, 570, 576, 608, 639, 640, 684, 710, 720, 760, 768, 852, 855, 912, 960, 1065, 1136, 1140, 1152, 1216, 1278, 1280, 1349, 1368, 1420, 1440, 1520, 1536, 1704, 1710, 1824, 1920, 2130, 2272, 2280, 2304, 2432, 2556, 2560, 2698, 2736, 2840, 2880, 3040, 3195, 3408, 3420, 3648, 3840, 4047, 4260, 4544, 4560, 4608, 4864, 5112, 5396, 5472, 5680, 5760, 6080, 6390, 6745, 6816, 6840, 7296, 7680, 8094, 8520, 9088, 9120, 9728, 10224, 10792, 10944, 11360, 11520, 12141, 12160, 12780, 13490, 13632, 13680, 14592, 16188, 17040, 18176, 18240, 20235, 20448, 21584, 21888, 22720, 23040, 24282, 24320, 25560, 26980, 27264, 27360, 29184, 32376, 34080, 36352, 36480, 40470, 40896, 43168, 43776, 45440, 48564, 48640, 51120, 53960, 54528, 54720, 60705, 64752, 68160, 72960, 80940, 81792, 86336, 87552, 90880, 97128, 102240, 107920, 109056, 109440, 121410, 129504, 136320, 145920, 161880, 163584, 172672, 181760, 194256, 204480, 215840, 218880, 242820, 259008, 272640, 323760, 327168, 345344, 388512, 408960, 431680, 437760, 485640, 518016, 545280, 647520, 690688, 777024, 817920, 863360, 971280, 1036032, 1295040, 1554048, 1635840, 1726720, 1942560, 2072064, 2590080, 3108096, 3453440, 3885120, 5180160, 6216192, 7770240, 10360320, 15540480, 31080960]

約数ペア:

[(1, 31080960), (2, 15540480), (3, 10360320), (4, 7770240), (5, 6216192), (6, 5180160), (8, 3885120), (9, 3453440), (10, 3108096), (12, 2590080), (15, 2072064), (16, 1942560), (18, 1726720), (19, 1635840), (20, 1554048), (24, 1295040), (30, 1036032), (32, 971280), (36, 863360), (38, 817920), (40, 777024), (45, 690688), (48, 647520), (57, 545280), (60, 518016), (64, 485640), (71, 437760), (72, 431680), (76, 408960), (80, 388512), (90, 345344), (95, 327168), (96, 323760), (114, 272640), (120, 259008), (128, 242820), (142, 218880), (144, 215840), (152, 204480), (160, 194256), (171, 181760), (180, 172672), (190, 163584), (192, 161880), (213, 145920), (228, 136320), (240, 129504), (256, 121410), (284, 109440), (285, 109056), (288, 107920), (304, 102240), (320, 97128), (342, 90880), (355, 87552), (360, 86336), (380, 81792), (384, 80940), (426, 72960), (456, 68160), (480, 64752), (512, 60705), (568, 54720), (570, 54528), (576, 53960), (608, 51120), (639, 48640), (640, 48564), (684, 45440), (710, 43776), (720, 43168), (760, 40896), (768, 40470), (852, 36480), (855, 36352), (912, 34080), (960, 32376), (1065, 29184), (1136, 27360), (1140, 27264), (1152, 26980), (1216, 25560), (1278, 24320), (1280, 24282), (1349, 23040), (1368, 22720), (1420, 21888), (1440, 21584), (1520, 20448), (1536, 20235), (1704, 18240), (1710, 18176), (1824, 17040), (1920, 16188), (2130, 14592), (2272, 13680), (2280, 13632), (2304, 13490), (2432, 12780), (2556, 12160), (2560, 12141), (2698, 11520), (2736, 11360), (2840, 10944), (2880, 10792), (3040, 10224), (3195, 9728), (3408, 9120), (3420, 9088), (3648, 8520), (3840, 8094), (4047, 7680), (4260, 7296), (4544, 6840), (4560, 6816), (4608, 6745), (4864, 6390), (5112, 6080), (5396, 5760), (5472, 5680)]