80315280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 240

約数和(自身を含む): 294802560

約数和(自身を除く): 214487280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 103, 108, 114, 120, 135, 144, 152, 171, 180, 190, 206, 216, 228, 240, 270, 285, 304, 309, 342, 360, 361, 380, 412, 432, 456, 513, 515, 540, 570, 618, 684, 720, 722, 760, 824, 855, 912, 927, 1026, 1030, 1080, 1083, 1140, 1236, 1368, 1444, 1520, 1545, 1648, 1710, 1805, 1854, 1957, 2052, 2060, 2160, 2166, 2280, 2472, 2565, 2736, 2781, 2888, 3090, 3249, 3420, 3610, 3708, 3914, 4104, 4120, 4332, 4560, 4635, 4944, 5130, 5415, 5562, 5776, 5871, 6180, 6498, 6840, 7220, 7416, 7828, 8208, 8240, 8664, 9270, 9747, 9785, 10260, 10830, 11124, 11742, 12360, 12996, 13680, 13905, 14440, 14832, 15656, 16245, 17328, 17613, 18540, 19494, 19570, 20520, 21660, 22248, 23484, 24720, 25992, 27810, 28880, 29355, 31312, 32490, 35226, 37080, 37183, 38988, 39140, 41040, 43320, 44496, 46968, 48735, 51984, 52839, 55620, 58710, 64980, 70452, 74160, 74366, 77976, 78280, 86640, 88065, 93936, 97470, 105678, 111240, 111549, 117420, 129960, 140904, 148732, 155952, 156560, 176130, 185915, 194940, 211356, 222480, 223098, 234840, 259920, 264195, 281808, 297464, 334647, 352260, 371830, 389880, 422712, 446196, 469680, 528390, 557745, 594928, 669294, 704520, 743660, 779760, 845424, 892392, 1003941, 1056780, 1115490, 1338588, 1409040, 1487320, 1673235, 1784784, 2007882, 2113560, 2230980, 2677176, 2974640, 3346470, 4015764, 4227120, 4461960, 5019705, 5354352, 6692940, 8031528, 8923920, 10039410, 13385880, 16063056, 20078820, 26771760, 40157640, 80315280]

約数ペア:

[(1, 80315280), (2, 40157640), (3, 26771760), (4, 20078820), (5, 16063056), (6, 13385880), (8, 10039410), (9, 8923920), (10, 8031528), (12, 6692940), (15, 5354352), (16, 5019705), (18, 4461960), (19, 4227120), (20, 4015764), (24, 3346470), (27, 2974640), (30, 2677176), (36, 2230980), (38, 2113560), (40, 2007882), (45, 1784784), (48, 1673235), (54, 1487320), (57, 1409040), (60, 1338588), (72, 1115490), (76, 1056780), (80, 1003941), (90, 892392), (95, 845424), (103, 779760), (108, 743660), (114, 704520), (120, 669294), (135, 594928), (144, 557745), (152, 528390), (171, 469680), (180, 446196), (190, 422712), (206, 389880), (216, 371830), (228, 352260), (240, 334647), (270, 297464), (285, 281808), (304, 264195), (309, 259920), (342, 234840), (360, 223098), (361, 222480), (380, 211356), (412, 194940), (432, 185915), (456, 176130), (513, 156560), (515, 155952), (540, 148732), (570, 140904), (618, 129960), (684, 117420), (720, 111549), (722, 111240), (760, 105678), (824, 97470), (855, 93936), (912, 88065), (927, 86640), (1026, 78280), (1030, 77976), (1080, 74366), (1083, 74160), (1140, 70452), (1236, 64980), (1368, 58710), (1444, 55620), (1520, 52839), (1545, 51984), (1648, 48735), (1710, 46968), (1805, 44496), (1854, 43320), (1957, 41040), (2052, 39140), (2060, 38988), (2160, 37183), (2166, 37080), (2280, 35226), (2472, 32490), (2565, 31312), (2736, 29355), (2781, 28880), (2888, 27810), (3090, 25992), (3249, 24720), (3420, 23484), (3610, 22248), (3708, 21660), (3914, 20520), (4104, 19570), (4120, 19494), (4332, 18540), (4560, 17613), (4635, 17328), (4944, 16245), (5130, 15656), (5415, 14832), (5562, 14440), (5776, 13905), (5871, 13680), (6180, 12996), (6498, 12360), (6840, 11742), (7220, 11124), (7416, 10830), (7828, 10260), (8208, 9785), (8240, 9747), (8664, 9270)]