28270440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 102772800

約数和(自身を除く): 74502360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 59, 60, 66, 72, 88, 90, 99, 110, 118, 120, 121, 132, 165, 177, 180, 198, 220, 236, 242, 264, 295, 330, 354, 360, 363, 396, 440, 472, 484, 495, 531, 590, 605, 649, 660, 708, 726, 792, 885, 968, 990, 1062, 1089, 1180, 1210, 1298, 1320, 1331, 1416, 1452, 1770, 1815, 1947, 1980, 2124, 2178, 2360, 2420, 2596, 2655, 2662, 2904, 3245, 3540, 3630, 3894, 3960, 3993, 4248, 4356, 4840, 5192, 5310, 5324, 5445, 5841, 6490, 6655, 7080, 7139, 7260, 7788, 7986, 8712, 9735, 10620, 10648, 10890, 11682, 11979, 12980, 13310, 14278, 14520, 15576, 15972, 19470, 19965, 21240, 21417, 21780, 23364, 23958, 25960, 26620, 28556, 29205, 31944, 35695, 38940, 39930, 42834, 43560, 46728, 47916, 53240, 57112, 58410, 59895, 64251, 71390, 77880, 78529, 79860, 85668, 95832, 107085, 116820, 119790, 128502, 142780, 157058, 159720, 171336, 214170, 233640, 235587, 239580, 257004, 285560, 314116, 321255, 392645, 428340, 471174, 479160, 514008, 628232, 642510, 706761, 785290, 856680, 942348, 1177935, 1285020, 1413522, 1570580, 1884696, 2355870, 2570040, 2827044, 3141160, 3533805, 4711740, 5654088, 7067610, 9423480, 14135220, 28270440]

約数ペア:

[(1, 28270440), (2, 14135220), (3, 9423480), (4, 7067610), (5, 5654088), (6, 4711740), (8, 3533805), (9, 3141160), (10, 2827044), (11, 2570040), (12, 2355870), (15, 1884696), (18, 1570580), (20, 1413522), (22, 1285020), (24, 1177935), (30, 942348), (33, 856680), (36, 785290), (40, 706761), (44, 642510), (45, 628232), (55, 514008), (59, 479160), (60, 471174), (66, 428340), (72, 392645), (88, 321255), (90, 314116), (99, 285560), (110, 257004), (118, 239580), (120, 235587), (121, 233640), (132, 214170), (165, 171336), (177, 159720), (180, 157058), (198, 142780), (220, 128502), (236, 119790), (242, 116820), (264, 107085), (295, 95832), (330, 85668), (354, 79860), (360, 78529), (363, 77880), (396, 71390), (440, 64251), (472, 59895), (484, 58410), (495, 57112), (531, 53240), (590, 47916), (605, 46728), (649, 43560), (660, 42834), (708, 39930), (726, 38940), (792, 35695), (885, 31944), (968, 29205), (990, 28556), (1062, 26620), (1089, 25960), (1180, 23958), (1210, 23364), (1298, 21780), (1320, 21417), (1331, 21240), (1416, 19965), (1452, 19470), (1770, 15972), (1815, 15576), (1947, 14520), (1980, 14278), (2124, 13310), (2178, 12980), (2360, 11979), (2420, 11682), (2596, 10890), (2655, 10648), (2662, 10620), (2904, 9735), (3245, 8712), (3540, 7986), (3630, 7788), (3894, 7260), (3960, 7139), (3993, 7080), (4248, 6655), (4356, 6490), (4840, 5841), (5192, 5445), (5310, 5324)]