72196520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 188006400

約数和(自身を除く): 115809880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 67, 79, 88, 110, 124, 134, 155, 158, 220, 248, 268, 310, 316, 335, 341, 395, 440, 536, 620, 632, 670, 682, 737, 790, 869, 1240, 1340, 1364, 1474, 1580, 1705, 1738, 2077, 2449, 2680, 2728, 2948, 3160, 3410, 3476, 3685, 4154, 4345, 4898, 5293, 5896, 6820, 6952, 7370, 8308, 8690, 9796, 10385, 10586, 12245, 13640, 14740, 16616, 17380, 19592, 20770, 21172, 22847, 24490, 26465, 26939, 29480, 34760, 41540, 42344, 45694, 48980, 52930, 53878, 58223, 83080, 91388, 97960, 105860, 107756, 114235, 116446, 134695, 164083, 182776, 211720, 215512, 228470, 232892, 269390, 291115, 328166, 456940, 465784, 538780, 582230, 656332, 820415, 913880, 1077560, 1164460, 1312664, 1640830, 1804913, 2328920, 3281660, 3609826, 6563320, 7219652, 9024565, 14439304, 18049130, 36098260, 72196520]

約数ペア:

[(1, 72196520), (2, 36098260), (4, 18049130), (5, 14439304), (8, 9024565), (10, 7219652), (11, 6563320), (20, 3609826), (22, 3281660), (31, 2328920), (40, 1804913), (44, 1640830), (55, 1312664), (62, 1164460), (67, 1077560), (79, 913880), (88, 820415), (110, 656332), (124, 582230), (134, 538780), (155, 465784), (158, 456940), (220, 328166), (248, 291115), (268, 269390), (310, 232892), (316, 228470), (335, 215512), (341, 211720), (395, 182776), (440, 164083), (536, 134695), (620, 116446), (632, 114235), (670, 107756), (682, 105860), (737, 97960), (790, 91388), (869, 83080), (1240, 58223), (1340, 53878), (1364, 52930), (1474, 48980), (1580, 45694), (1705, 42344), (1738, 41540), (2077, 34760), (2449, 29480), (2680, 26939), (2728, 26465), (2948, 24490), (3160, 22847), (3410, 21172), (3476, 20770), (3685, 19592), (4154, 17380), (4345, 16616), (4898, 14740), (5293, 13640), (5896, 12245), (6820, 10586), (6952, 10385), (7370, 9796), (8308, 8690)]