28554720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 98703360

約数和(自身を除く): 70148640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 101, 114, 120, 124, 152, 155, 160, 186, 190, 202, 228, 240, 248, 285, 303, 304, 310, 372, 380, 404, 456, 465, 480, 496, 505, 570, 589, 606, 608, 620, 744, 760, 808, 912, 930, 992, 1010, 1140, 1178, 1212, 1240, 1488, 1515, 1520, 1616, 1767, 1824, 1860, 1919, 2020, 2280, 2356, 2424, 2480, 2945, 2976, 3030, 3040, 3131, 3232, 3534, 3720, 3838, 4040, 4560, 4712, 4848, 4960, 5757, 5890, 6060, 6262, 7068, 7440, 7676, 8080, 8835, 9120, 9393, 9424, 9595, 9696, 11514, 11780, 12120, 12524, 14136, 14880, 15352, 15655, 16160, 17670, 18786, 18848, 19190, 23028, 23560, 24240, 25048, 28272, 28785, 30704, 31310, 35340, 37572, 38380, 46056, 46965, 47120, 48480, 50096, 56544, 57570, 59489, 61408, 62620, 70680, 75144, 76760, 92112, 93930, 94240, 100192, 115140, 118978, 125240, 141360, 150288, 153520, 178467, 184224, 187860, 230280, 237956, 250480, 282720, 297445, 300576, 307040, 356934, 375720, 460560, 475912, 500960, 594890, 713868, 751440, 892335, 921120, 951824, 1189780, 1427736, 1502880, 1784670, 1903648, 2379560, 2855472, 3569340, 4759120, 5710944, 7138680, 9518240, 14277360, 28554720]

約数ペア:

[(1, 28554720), (2, 14277360), (3, 9518240), (4, 7138680), (5, 5710944), (6, 4759120), (8, 3569340), (10, 2855472), (12, 2379560), (15, 1903648), (16, 1784670), (19, 1502880), (20, 1427736), (24, 1189780), (30, 951824), (31, 921120), (32, 892335), (38, 751440), (40, 713868), (48, 594890), (57, 500960), (60, 475912), (62, 460560), (76, 375720), (80, 356934), (93, 307040), (95, 300576), (96, 297445), (101, 282720), (114, 250480), (120, 237956), (124, 230280), (152, 187860), (155, 184224), (160, 178467), (186, 153520), (190, 150288), (202, 141360), (228, 125240), (240, 118978), (248, 115140), (285, 100192), (303, 94240), (304, 93930), (310, 92112), (372, 76760), (380, 75144), (404, 70680), (456, 62620), (465, 61408), (480, 59489), (496, 57570), (505, 56544), (570, 50096), (589, 48480), (606, 47120), (608, 46965), (620, 46056), (744, 38380), (760, 37572), (808, 35340), (912, 31310), (930, 30704), (992, 28785), (1010, 28272), (1140, 25048), (1178, 24240), (1212, 23560), (1240, 23028), (1488, 19190), (1515, 18848), (1520, 18786), (1616, 17670), (1767, 16160), (1824, 15655), (1860, 15352), (1919, 14880), (2020, 14136), (2280, 12524), (2356, 12120), (2424, 11780), (2480, 11514), (2945, 9696), (2976, 9595), (3030, 9424), (3040, 9393), (3131, 9120), (3232, 8835), (3534, 8080), (3720, 7676), (3838, 7440), (4040, 7068), (4560, 6262), (4712, 6060), (4848, 5890), (4960, 5757)]