79798320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 311980032

約数和(自身を除く): 232181712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 210, 213, 223, 240, 252, 280, 284, 315, 336, 355, 360, 420, 426, 446, 497, 504, 560, 568, 630, 639, 669, 710, 720, 840, 852, 892, 994, 1008, 1065, 1115, 1136, 1260, 1278, 1338, 1420, 1491, 1561, 1680, 1704, 1784, 1988, 2007, 2130, 2230, 2485, 2520, 2556, 2676, 2840, 2982, 3122, 3195, 3345, 3408, 3568, 3976, 4014, 4260, 4460, 4473, 4683, 4970, 5040, 5112, 5352, 5680, 5964, 6244, 6390, 6690, 7455, 7805, 7952, 8028, 8520, 8920, 8946, 9366, 9940, 10035, 10224, 10704, 11928, 12488, 12780, 13380, 14049, 14910, 15610, 15833, 16056, 17040, 17840, 17892, 18732, 19880, 20070, 22365, 23415, 23856, 24976, 25560, 26760, 28098, 29820, 31220, 31666, 32112, 35784, 37464, 39760, 40140, 44730, 46830, 47499, 51120, 53520, 56196, 59640, 62440, 63332, 70245, 71568, 74928, 79165, 80280, 89460, 93660, 94998, 110831, 112392, 119280, 124880, 126664, 140490, 142497, 158330, 160560, 178920, 187320, 189996, 221662, 224784, 237495, 253328, 280980, 284994, 316660, 332493, 357840, 374640, 379992, 443324, 474990, 554155, 561960, 569988, 633320, 664986, 712485, 759984, 886648, 949980, 997479, 1108310, 1123920, 1139976, 1266640, 1329972, 1424970, 1662465, 1773296, 1899960, 1994958, 2216620, 2279952, 2659944, 2849940, 3324930, 3799920, 3989916, 4433240, 4987395, 5319888, 5699880, 6649860, 7979832, 8866480, 9974790, 11399760, 13299720, 15959664, 19949580, 26599440, 39899160, 79798320]

約数ペア:

[(1, 79798320), (2, 39899160), (3, 26599440), (4, 19949580), (5, 15959664), (6, 13299720), (7, 11399760), (8, 9974790), (9, 8866480), (10, 7979832), (12, 6649860), (14, 5699880), (15, 5319888), (16, 4987395), (18, 4433240), (20, 3989916), (21, 3799920), (24, 3324930), (28, 2849940), (30, 2659944), (35, 2279952), (36, 2216620), (40, 1994958), (42, 1899960), (45, 1773296), (48, 1662465), (56, 1424970), (60, 1329972), (63, 1266640), (70, 1139976), (71, 1123920), (72, 1108310), (80, 997479), (84, 949980), (90, 886648), (105, 759984), (112, 712485), (120, 664986), (126, 633320), (140, 569988), (142, 561960), (144, 554155), (168, 474990), (180, 443324), (210, 379992), (213, 374640), (223, 357840), (240, 332493), (252, 316660), (280, 284994), (284, 280980), (315, 253328), (336, 237495), (355, 224784), (360, 221662), (420, 189996), (426, 187320), (446, 178920), (497, 160560), (504, 158330), (560, 142497), (568, 140490), (630, 126664), (639, 124880), (669, 119280), (710, 112392), (720, 110831), (840, 94998), (852, 93660), (892, 89460), (994, 80280), (1008, 79165), (1065, 74928), (1115, 71568), (1136, 70245), (1260, 63332), (1278, 62440), (1338, 59640), (1420, 56196), (1491, 53520), (1561, 51120), (1680, 47499), (1704, 46830), (1784, 44730), (1988, 40140), (2007, 39760), (2130, 37464), (2230, 35784), (2485, 32112), (2520, 31666), (2556, 31220), (2676, 29820), (2840, 28098), (2982, 26760), (3122, 25560), (3195, 24976), (3345, 23856), (3408, 23415), (3568, 22365), (3976, 20070), (4014, 19880), (4260, 18732), (4460, 17892), (4473, 17840), (4683, 17040), (4970, 16056), (5040, 15833), (5112, 15610), (5352, 14910), (5680, 14049), (5964, 13380), (6244, 12780), (6390, 12488), (6690, 11928), (7455, 10704), (7805, 10224), (7952, 10035), (8028, 9940), (8520, 9366), (8920, 8946)]