79974420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 246899520

約数和(自身を除く): 166925100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 73, 76, 93, 95, 114, 124, 146, 155, 186, 190, 219, 228, 285, 292, 310, 365, 372, 380, 438, 465, 570, 589, 620, 730, 876, 930, 961, 1095, 1140, 1178, 1387, 1460, 1767, 1860, 1922, 2190, 2263, 2356, 2774, 2883, 2945, 3534, 3844, 4161, 4380, 4526, 4805, 5548, 5766, 5890, 6789, 6935, 7068, 8322, 8835, 9052, 9610, 11315, 11532, 11780, 13578, 13870, 14415, 16644, 17670, 18259, 19220, 20805, 22630, 27156, 27740, 28830, 33945, 35340, 36518, 41610, 42997, 45260, 54777, 57660, 67890, 70153, 73036, 83220, 85994, 91295, 109554, 128991, 135780, 140306, 171988, 182590, 210459, 214985, 219108, 257982, 273885, 280612, 350765, 365180, 420918, 429970, 515964, 547770, 644955, 701530, 841836, 859940, 1052295, 1095540, 1289910, 1332907, 1403060, 2104590, 2579820, 2665814, 3998721, 4209180, 5331628, 6664535, 7997442, 13329070, 15994884, 19993605, 26658140, 39987210, 79974420]

約数ペア:

[(1, 79974420), (2, 39987210), (3, 26658140), (4, 19993605), (5, 15994884), (6, 13329070), (10, 7997442), (12, 6664535), (15, 5331628), (19, 4209180), (20, 3998721), (30, 2665814), (31, 2579820), (38, 2104590), (57, 1403060), (60, 1332907), (62, 1289910), (73, 1095540), (76, 1052295), (93, 859940), (95, 841836), (114, 701530), (124, 644955), (146, 547770), (155, 515964), (186, 429970), (190, 420918), (219, 365180), (228, 350765), (285, 280612), (292, 273885), (310, 257982), (365, 219108), (372, 214985), (380, 210459), (438, 182590), (465, 171988), (570, 140306), (589, 135780), (620, 128991), (730, 109554), (876, 91295), (930, 85994), (961, 83220), (1095, 73036), (1140, 70153), (1178, 67890), (1387, 57660), (1460, 54777), (1767, 45260), (1860, 42997), (1922, 41610), (2190, 36518), (2263, 35340), (2356, 33945), (2774, 28830), (2883, 27740), (2945, 27156), (3534, 22630), (3844, 20805), (4161, 19220), (4380, 18259), (4526, 17670), (4805, 16644), (5548, 14415), (5766, 13870), (5890, 13578), (6789, 11780), (6935, 11532), (7068, 11315), (8322, 9610), (8835, 9052)]