66604120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 178329600

約数和(自身を除く): 111725480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 257, 310, 341, 380, 418, 440, 514, 589, 620, 682, 760, 836, 1028, 1045, 1178, 1240, 1285, 1364, 1672, 1705, 2056, 2090, 2356, 2570, 2728, 2827, 2945, 3410, 4180, 4712, 4883, 5140, 5654, 5890, 6479, 6820, 7967, 8360, 9766, 10280, 11308, 11780, 12958, 13640, 14135, 15934, 19532, 22616, 23560, 24415, 25916, 28270, 31868, 32395, 39064, 39835, 48830, 51832, 53713, 56540, 63736, 64790, 79670, 87637, 97660, 107426, 113080, 129580, 151373, 159340, 175274, 195320, 214852, 259160, 268565, 302746, 318680, 350548, 429704, 438185, 537130, 605492, 701096, 756865, 876370, 1074260, 1210984, 1513730, 1665103, 1752740, 2148520, 3027460, 3330206, 3505480, 6054920, 6660412, 8325515, 13320824, 16651030, 33302060, 66604120]

約数ペア:

[(1, 66604120), (2, 33302060), (4, 16651030), (5, 13320824), (8, 8325515), (10, 6660412), (11, 6054920), (19, 3505480), (20, 3330206), (22, 3027460), (31, 2148520), (38, 1752740), (40, 1665103), (44, 1513730), (55, 1210984), (62, 1074260), (76, 876370), (88, 756865), (95, 701096), (110, 605492), (124, 537130), (152, 438185), (155, 429704), (190, 350548), (209, 318680), (220, 302746), (248, 268565), (257, 259160), (310, 214852), (341, 195320), (380, 175274), (418, 159340), (440, 151373), (514, 129580), (589, 113080), (620, 107426), (682, 97660), (760, 87637), (836, 79670), (1028, 64790), (1045, 63736), (1178, 56540), (1240, 53713), (1285, 51832), (1364, 48830), (1672, 39835), (1705, 39064), (2056, 32395), (2090, 31868), (2356, 28270), (2570, 25916), (2728, 24415), (2827, 23560), (2945, 22616), (3410, 19532), (4180, 15934), (4712, 14135), (4883, 13640), (5140, 12958), (5654, 11780), (5890, 11308), (6479, 10280), (6820, 9766), (7967, 8360)]