161783440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 470969856

約数和(自身を除く): 309186416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 182, 208, 260, 280, 284, 313, 355, 364, 455, 497, 520, 560, 568, 626, 710, 728, 910, 923, 994, 1040, 1136, 1252, 1420, 1456, 1565, 1820, 1846, 1988, 2191, 2485, 2504, 2840, 3130, 3640, 3692, 3976, 4069, 4382, 4615, 4970, 5008, 5680, 6260, 6461, 7280, 7384, 7952, 8138, 8764, 9230, 9940, 10955, 12520, 12922, 14768, 16276, 17528, 18460, 19880, 20345, 21910, 22223, 25040, 25844, 28483, 32305, 32552, 35056, 36920, 39760, 40690, 43820, 44446, 51688, 56966, 64610, 65104, 73840, 81380, 87640, 88892, 103376, 111115, 113932, 129220, 142415, 155561, 162760, 175280, 177784, 222230, 227864, 258440, 284830, 288899, 311122, 325520, 355568, 444460, 455728, 516880, 569660, 577798, 622244, 777805, 888920, 1139320, 1155596, 1244488, 1444495, 1555610, 1777840, 2022293, 2278640, 2311192, 2488976, 2888990, 3111220, 4044586, 4622384, 5777980, 6222440, 8089172, 10111465, 11555960, 12444880, 16178344, 20222930, 23111920, 32356688, 40445860, 80891720, 161783440]

約数ペア:

[(1, 161783440), (2, 80891720), (4, 40445860), (5, 32356688), (7, 23111920), (8, 20222930), (10, 16178344), (13, 12444880), (14, 11555960), (16, 10111465), (20, 8089172), (26, 6222440), (28, 5777980), (35, 4622384), (40, 4044586), (52, 3111220), (56, 2888990), (65, 2488976), (70, 2311192), (71, 2278640), (80, 2022293), (91, 1777840), (104, 1555610), (112, 1444495), (130, 1244488), (140, 1155596), (142, 1139320), (182, 888920), (208, 777805), (260, 622244), (280, 577798), (284, 569660), (313, 516880), (355, 455728), (364, 444460), (455, 355568), (497, 325520), (520, 311122), (560, 288899), (568, 284830), (626, 258440), (710, 227864), (728, 222230), (910, 177784), (923, 175280), (994, 162760), (1040, 155561), (1136, 142415), (1252, 129220), (1420, 113932), (1456, 111115), (1565, 103376), (1820, 88892), (1846, 87640), (1988, 81380), (2191, 73840), (2485, 65104), (2504, 64610), (2840, 56966), (3130, 51688), (3640, 44446), (3692, 43820), (3976, 40690), (4069, 39760), (4382, 36920), (4615, 35056), (4970, 32552), (5008, 32305), (5680, 28483), (6260, 25844), (6461, 25040), (7280, 22223), (7384, 21910), (7952, 20345), (8138, 19880), (8764, 18460), (9230, 17528), (9940, 16276), (10955, 14768), (12520, 12922)]