78381240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4057}}^1$

素因数の和:4101

約数の個数: 128

約数和(自身を含む): 280488960

約数和(自身を除く): 202107720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4057, 4830, 6440, 8114, 9660, 12171, 16228, 19320, 20285, 24342, 28399, 32456, 40570, 48684, 56798, 60855, 81140, 85197, 93311, 97368, 113596, 121710, 141995, 162280, 170394, 186622, 227192, 243420, 279933, 283990, 340788, 373244, 425985, 466555, 486840, 559866, 567980, 653177, 681576, 746488, 851970, 933110, 1119732, 1135960, 1306354, 1399665, 1703940, 1866220, 1959531, 2239464, 2612708, 2799330, 3265885, 3407880, 3732440, 3919062, 5225416, 5598660, 6531770, 7838124, 9797655, 11197320, 13063540, 15676248, 19595310, 26127080, 39190620, 78381240]

約数ペア:

[(1, 78381240), (2, 39190620), (3, 26127080), (4, 19595310), (5, 15676248), (6, 13063540), (7, 11197320), (8, 9797655), (10, 7838124), (12, 6531770), (14, 5598660), (15, 5225416), (20, 3919062), (21, 3732440), (23, 3407880), (24, 3265885), (28, 2799330), (30, 2612708), (35, 2239464), (40, 1959531), (42, 1866220), (46, 1703940), (56, 1399665), (60, 1306354), (69, 1135960), (70, 1119732), (84, 933110), (92, 851970), (105, 746488), (115, 681576), (120, 653177), (138, 567980), (140, 559866), (161, 486840), (168, 466555), (184, 425985), (210, 373244), (230, 340788), (276, 283990), (280, 279933), (322, 243420), (345, 227192), (420, 186622), (460, 170394), (483, 162280), (552, 141995), (644, 121710), (690, 113596), (805, 97368), (840, 93311), (920, 85197), (966, 81140), (1288, 60855), (1380, 56798), (1610, 48684), (1932, 40570), (2415, 32456), (2760, 28399), (3220, 24342), (3864, 20285), (4057, 19320), (4830, 16228), (6440, 12171), (8114, 9660)]