29911960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 78744960

約数和(自身を除く): 48833000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 61, 65, 82, 92, 104, 115, 122, 130, 164, 184, 205, 230, 244, 260, 299, 305, 328, 410, 460, 488, 520, 533, 598, 610, 793, 820, 920, 943, 1066, 1196, 1220, 1403, 1495, 1586, 1640, 1886, 2132, 2392, 2440, 2501, 2665, 2806, 2990, 3172, 3772, 3965, 4264, 4715, 5002, 5330, 5612, 5980, 6344, 7015, 7544, 7930, 9430, 10004, 10660, 11224, 11960, 12259, 12505, 14030, 15860, 18239, 18860, 20008, 21320, 24518, 25010, 28060, 31720, 32513, 36478, 37720, 49036, 50020, 56120, 57523, 61295, 65026, 72956, 91195, 98072, 100040, 115046, 122590, 130052, 145912, 162565, 182390, 230092, 245180, 260104, 287615, 325130, 364780, 460184, 490360, 575230, 650260, 729560, 747799, 1150460, 1300520, 1495598, 2300920, 2991196, 3738995, 5982392, 7477990, 14955980, 29911960]

約数ペア:

[(1, 29911960), (2, 14955980), (4, 7477990), (5, 5982392), (8, 3738995), (10, 2991196), (13, 2300920), (20, 1495598), (23, 1300520), (26, 1150460), (40, 747799), (41, 729560), (46, 650260), (52, 575230), (61, 490360), (65, 460184), (82, 364780), (92, 325130), (104, 287615), (115, 260104), (122, 245180), (130, 230092), (164, 182390), (184, 162565), (205, 145912), (230, 130052), (244, 122590), (260, 115046), (299, 100040), (305, 98072), (328, 91195), (410, 72956), (460, 65026), (488, 61295), (520, 57523), (533, 56120), (598, 50020), (610, 49036), (793, 37720), (820, 36478), (920, 32513), (943, 31720), (1066, 28060), (1196, 25010), (1220, 24518), (1403, 21320), (1495, 20008), (1586, 18860), (1640, 18239), (1886, 15860), (2132, 14030), (2392, 12505), (2440, 12259), (2501, 11960), (2665, 11224), (2806, 10660), (2990, 10004), (3172, 9430), (3772, 7930), (3965, 7544), (4264, 7015), (4715, 6344), (5002, 5980), (5330, 5612)]