55774740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 185238144

約数和(自身を除く): 129463404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 311, 366, 420, 427, 490, 588, 610, 622, 732, 735, 854, 915, 933, 980, 1220, 1244, 1281, 1470, 1555, 1708, 1830, 1866, 2135, 2177, 2562, 2940, 2989, 3110, 3660, 3732, 4270, 4354, 4665, 5124, 5978, 6220, 6405, 6531, 8540, 8708, 8967, 9330, 10885, 11956, 12810, 13062, 14945, 15239, 17934, 18660, 18971, 21770, 25620, 26124, 29890, 30478, 32655, 35868, 37942, 43540, 44835, 45717, 56913, 59780, 60956, 65310, 75884, 76195, 89670, 91434, 94855, 113826, 130620, 132797, 152390, 179340, 182868, 189710, 227652, 228585, 265594, 284565, 304780, 379420, 398391, 457170, 531188, 569130, 663985, 796782, 914340, 929579, 1138260, 1327970, 1593564, 1859158, 1991955, 2655940, 2788737, 3718316, 3983910, 4647895, 5577474, 7967820, 9295790, 11154948, 13943685, 18591580, 27887370, 55774740]

約数ペア:

[(1, 55774740), (2, 27887370), (3, 18591580), (4, 13943685), (5, 11154948), (6, 9295790), (7, 7967820), (10, 5577474), (12, 4647895), (14, 3983910), (15, 3718316), (20, 2788737), (21, 2655940), (28, 1991955), (30, 1859158), (35, 1593564), (42, 1327970), (49, 1138260), (60, 929579), (61, 914340), (70, 796782), (84, 663985), (98, 569130), (105, 531188), (122, 457170), (140, 398391), (147, 379420), (183, 304780), (196, 284565), (210, 265594), (244, 228585), (245, 227652), (294, 189710), (305, 182868), (311, 179340), (366, 152390), (420, 132797), (427, 130620), (490, 113826), (588, 94855), (610, 91434), (622, 89670), (732, 76195), (735, 75884), (854, 65310), (915, 60956), (933, 59780), (980, 56913), (1220, 45717), (1244, 44835), (1281, 43540), (1470, 37942), (1555, 35868), (1708, 32655), (1830, 30478), (1866, 29890), (2135, 26124), (2177, 25620), (2562, 21770), (2940, 18971), (2989, 18660), (3110, 17934), (3660, 15239), (3732, 14945), (4270, 13062), (4354, 12810), (4665, 11956), (5124, 10885), (5978, 9330), (6220, 8967), (6405, 8708), (6531, 8540)]