1390350720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65831}}^1$

素因数の和:65864

約数の個数: 128

約数和(自身を含む): 4834702080

約数和(自身を除く): 3444351360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 65831, 131662, 197493, 263324, 329155, 394986, 526648, 658310, 724141, 789972, 987465, 1053296, 1316620, 1448282, 1579944, 1974930, 2106592, 2172423, 2633240, 2896564, 3159888, 3620705, 3949860, 4213184, 4344846, 5266480, 5793128, 6319776, 7241410, 7899720, 8426368, 8689692, 10532960, 10862115, 11586256, 12639552, 14482820, 15799440, 17379384, 21065920, 21724230, 23172512, 25279104, 28965640, 31598880, 34758768, 42131840, 43448460, 46345024, 57931280, 63197760, 69517536, 86896920, 92690048, 115862560, 126395520, 139035072, 173793840, 231725120, 278070144, 347587680, 463450240, 695175360, 1390350720]

約数ペア:

[(1, 1390350720), (2, 695175360), (3, 463450240), (4, 347587680), (5, 278070144), (6, 231725120), (8, 173793840), (10, 139035072), (11, 126395520), (12, 115862560), (15, 92690048), (16, 86896920), (20, 69517536), (22, 63197760), (24, 57931280), (30, 46345024), (32, 43448460), (33, 42131840), (40, 34758768), (44, 31598880), (48, 28965640), (55, 25279104), (60, 23172512), (64, 21724230), (66, 21065920), (80, 17379384), (88, 15799440), (96, 14482820), (110, 12639552), (120, 11586256), (128, 10862115), (132, 10532960), (160, 8689692), (165, 8426368), (176, 7899720), (192, 7241410), (220, 6319776), (240, 5793128), (264, 5266480), (320, 4344846), (330, 4213184), (352, 3949860), (384, 3620705), (440, 3159888), (480, 2896564), (528, 2633240), (640, 2172423), (660, 2106592), (704, 1974930), (880, 1579944), (960, 1448282), (1056, 1316620), (1320, 1053296), (1408, 987465), (1760, 789972), (1920, 724141), (2112, 658310), (2640, 526648), (3520, 394986), (4224, 329155), (5280, 263324), (7040, 197493), (10560, 131662), (21120, 65831)]