1281376920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2333}}^1$

素因数の和:2569

約数の個数: 128

約数和(自身を含む): 4033152000

約数和(自身を除く): 2751775080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 199, 230, 276, 345, 398, 460, 552, 597, 690, 796, 920, 995, 1194, 1380, 1592, 1990, 2333, 2388, 2760, 2985, 3980, 4577, 4666, 4776, 5970, 6999, 7960, 9154, 9332, 11665, 11940, 13731, 13998, 18308, 18664, 22885, 23330, 23880, 27462, 27996, 34995, 36616, 45770, 46660, 53659, 54924, 55992, 68655, 69990, 91540, 93320, 107318, 109848, 137310, 139980, 160977, 183080, 214636, 268295, 274620, 279960, 321954, 429272, 464267, 536590, 549240, 643908, 804885, 928534, 1073180, 1287816, 1392801, 1609770, 1857068, 2146360, 2321335, 2785602, 3219540, 3714136, 4642670, 5571204, 6439080, 6964005, 9285340, 10678141, 11142408, 13928010, 18570680, 21356282, 27856020, 32034423, 42712564, 53390705, 55712040, 64068846, 85425128, 106781410, 128137692, 160172115, 213562820, 256275384, 320344230, 427125640, 640688460, 1281376920]

約数ペア:

[(1, 1281376920), (2, 640688460), (3, 427125640), (4, 320344230), (5, 256275384), (6, 213562820), (8, 160172115), (10, 128137692), (12, 106781410), (15, 85425128), (20, 64068846), (23, 55712040), (24, 53390705), (30, 42712564), (40, 32034423), (46, 27856020), (60, 21356282), (69, 18570680), (92, 13928010), (115, 11142408), (120, 10678141), (138, 9285340), (184, 6964005), (199, 6439080), (230, 5571204), (276, 4642670), (345, 3714136), (398, 3219540), (460, 2785602), (552, 2321335), (597, 2146360), (690, 1857068), (796, 1609770), (920, 1392801), (995, 1287816), (1194, 1073180), (1380, 928534), (1592, 804885), (1990, 643908), (2333, 549240), (2388, 536590), (2760, 464267), (2985, 429272), (3980, 321954), (4577, 279960), (4666, 274620), (4776, 268295), (5970, 214636), (6999, 183080), (7960, 160977), (9154, 139980), (9332, 137310), (11665, 109848), (11940, 107318), (13731, 93320), (13998, 91540), (18308, 69990), (18664, 68655), (22885, 55992), (23330, 54924), (23880, 53659), (27462, 46660), (27996, 45770), (34995, 36616)]