65071920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 219360960

約数和(自身を除く): 154289040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 240, 246, 255, 272, 328, 340, 389, 408, 410, 492, 510, 615, 656, 680, 697, 778, 816, 820, 984, 1020, 1167, 1230, 1360, 1394, 1556, 1640, 1945, 1968, 2040, 2091, 2334, 2460, 2788, 3112, 3280, 3485, 3890, 4080, 4182, 4668, 4920, 5576, 5835, 6224, 6613, 6970, 7780, 8364, 9336, 9840, 10455, 11152, 11670, 13226, 13940, 15560, 15949, 16728, 18672, 19839, 20910, 23340, 26452, 27880, 31120, 31898, 33065, 33456, 39678, 41820, 46680, 47847, 52904, 55760, 63796, 66130, 79356, 79745, 83640, 93360, 95694, 99195, 105808, 127592, 132260, 158712, 159490, 167280, 191388, 198390, 239235, 255184, 264520, 271133, 317424, 318980, 382776, 396780, 478470, 529040, 542266, 637960, 765552, 793560, 813399, 956940, 1084532, 1275920, 1355665, 1587120, 1626798, 1913880, 2169064, 2711330, 3253596, 3827760, 4066995, 4338128, 5422660, 6507192, 8133990, 10845320, 13014384, 16267980, 21690640, 32535960, 65071920]

約数ペア:

[(1, 65071920), (2, 32535960), (3, 21690640), (4, 16267980), (5, 13014384), (6, 10845320), (8, 8133990), (10, 6507192), (12, 5422660), (15, 4338128), (16, 4066995), (17, 3827760), (20, 3253596), (24, 2711330), (30, 2169064), (34, 1913880), (40, 1626798), (41, 1587120), (48, 1355665), (51, 1275920), (60, 1084532), (68, 956940), (80, 813399), (82, 793560), (85, 765552), (102, 637960), (120, 542266), (123, 529040), (136, 478470), (164, 396780), (170, 382776), (204, 318980), (205, 317424), (240, 271133), (246, 264520), (255, 255184), (272, 239235), (328, 198390), (340, 191388), (389, 167280), (408, 159490), (410, 158712), (492, 132260), (510, 127592), (615, 105808), (656, 99195), (680, 95694), (697, 93360), (778, 83640), (816, 79745), (820, 79356), (984, 66130), (1020, 63796), (1167, 55760), (1230, 52904), (1360, 47847), (1394, 46680), (1556, 41820), (1640, 39678), (1945, 33456), (1968, 33065), (2040, 31898), (2091, 31120), (2334, 27880), (2460, 26452), (2788, 23340), (3112, 20910), (3280, 19839), (3485, 18672), (3890, 16728), (4080, 15949), (4182, 15560), (4668, 13940), (4920, 13226), (5576, 11670), (5835, 11152), (6224, 10455), (6613, 9840), (6970, 9336), (7780, 8364)]