90123384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 266918400

約数和(自身を除く): 176795016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 23, 24, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 104, 114, 138, 152, 156, 184, 228, 247, 276, 299, 312, 437, 456, 494, 552, 598, 661, 741, 874, 897, 988, 1196, 1311, 1322, 1482, 1748, 1794, 1976, 1983, 2392, 2622, 2644, 2964, 3496, 3588, 3966, 5244, 5288, 5681, 5928, 7176, 7932, 8593, 10488, 11362, 12559, 15203, 15864, 17043, 17186, 22724, 25118, 25779, 30406, 34086, 34372, 37677, 45448, 45609, 50236, 51558, 60812, 68172, 68744, 75354, 91218, 100472, 103116, 121624, 136344, 150708, 163267, 182436, 197639, 206232, 288857, 301416, 326534, 364872, 395278, 489801, 577714, 592917, 653068, 790556, 866571, 979602, 1155428, 1185834, 1306136, 1581112, 1733142, 1959204, 2310856, 2371668, 3466284, 3755141, 3918408, 4743336, 6932568, 7510282, 11265423, 15020564, 22530846, 30041128, 45061692, 90123384]

約数ペア:

[(1, 90123384), (2, 45061692), (3, 30041128), (4, 22530846), (6, 15020564), (8, 11265423), (12, 7510282), (13, 6932568), (19, 4743336), (23, 3918408), (24, 3755141), (26, 3466284), (38, 2371668), (39, 2310856), (46, 1959204), (52, 1733142), (57, 1581112), (69, 1306136), (76, 1185834), (78, 1155428), (92, 979602), (104, 866571), (114, 790556), (138, 653068), (152, 592917), (156, 577714), (184, 489801), (228, 395278), (247, 364872), (276, 326534), (299, 301416), (312, 288857), (437, 206232), (456, 197639), (494, 182436), (552, 163267), (598, 150708), (661, 136344), (741, 121624), (874, 103116), (897, 100472), (988, 91218), (1196, 75354), (1311, 68744), (1322, 68172), (1482, 60812), (1748, 51558), (1794, 50236), (1976, 45609), (1983, 45448), (2392, 37677), (2622, 34372), (2644, 34086), (2964, 30406), (3496, 25779), (3588, 25118), (3966, 22724), (5244, 17186), (5288, 17043), (5681, 15864), (5928, 15203), (7176, 12559), (7932, 11362), (8593, 10488)]