28113540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 102359040

約数和(自身を除く): 74245500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 271, 273, 285, 364, 380, 390, 399, 420, 455, 494, 532, 542, 546, 570, 665, 741, 780, 798, 813, 910, 988, 1084, 1092, 1140, 1235, 1330, 1355, 1365, 1482, 1596, 1626, 1729, 1820, 1897, 1995, 2470, 2660, 2710, 2730, 2964, 3252, 3458, 3523, 3705, 3794, 3990, 4065, 4940, 5149, 5187, 5420, 5460, 5691, 6916, 7046, 7410, 7588, 7980, 8130, 8645, 9485, 10298, 10374, 10569, 11382, 14092, 14820, 15447, 16260, 17290, 17615, 18970, 20596, 20748, 21138, 22764, 24661, 25745, 25935, 28455, 30894, 34580, 35230, 36043, 37940, 42276, 49322, 51490, 51870, 52845, 56910, 61788, 66937, 70460, 72086, 73983, 77235, 98644, 102980, 103740, 105690, 108129, 113820, 123305, 133874, 144172, 147966, 154470, 180215, 200811, 211380, 216258, 246610, 267748, 295932, 308940, 334685, 360430, 369915, 401622, 432516, 468559, 493220, 540645, 669370, 720860, 739830, 803244, 937118, 1004055, 1081290, 1338740, 1405677, 1479660, 1874236, 2008110, 2162580, 2342795, 2811354, 4016220, 4685590, 5622708, 7028385, 9371180, 14056770, 28113540]

約数ペア:

[(1, 28113540), (2, 14056770), (3, 9371180), (4, 7028385), (5, 5622708), (6, 4685590), (7, 4016220), (10, 2811354), (12, 2342795), (13, 2162580), (14, 2008110), (15, 1874236), (19, 1479660), (20, 1405677), (21, 1338740), (26, 1081290), (28, 1004055), (30, 937118), (35, 803244), (38, 739830), (39, 720860), (42, 669370), (52, 540645), (57, 493220), (60, 468559), (65, 432516), (70, 401622), (76, 369915), (78, 360430), (84, 334685), (91, 308940), (95, 295932), (105, 267748), (114, 246610), (130, 216258), (133, 211380), (140, 200811), (156, 180215), (182, 154470), (190, 147966), (195, 144172), (210, 133874), (228, 123305), (247, 113820), (260, 108129), (266, 105690), (271, 103740), (273, 102980), (285, 98644), (364, 77235), (380, 73983), (390, 72086), (399, 70460), (420, 66937), (455, 61788), (494, 56910), (532, 52845), (542, 51870), (546, 51490), (570, 49322), (665, 42276), (741, 37940), (780, 36043), (798, 35230), (813, 34580), (910, 30894), (988, 28455), (1084, 25935), (1092, 25745), (1140, 24661), (1235, 22764), (1330, 21138), (1355, 20748), (1365, 20596), (1482, 18970), (1596, 17615), (1626, 17290), (1729, 16260), (1820, 15447), (1897, 14820), (1995, 14092), (2470, 11382), (2660, 10569), (2710, 10374), (2730, 10298), (2964, 9485), (3252, 8645), (3458, 8130), (3523, 7980), (3705, 7588), (3794, 7410), (3990, 7046), (4065, 6916), (4940, 5691), (5149, 5460), (5187, 5420)]