642815316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 288

約数和(自身を含む): 2047368960

約数和(自身を除く): 1404553644

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 23, 26, 33, 36, 39, 44, 46, 52, 61, 66, 69, 78, 89, 92, 99, 117, 122, 132, 138, 143, 156, 178, 183, 198, 207, 234, 244, 253, 267, 276, 286, 299, 356, 366, 396, 414, 429, 468, 506, 534, 549, 572, 598, 671, 732, 759, 793, 801, 828, 858, 897, 979, 1012, 1068, 1098, 1157, 1196, 1287, 1342, 1403, 1518, 1586, 1602, 1716, 1794, 1958, 2013, 2047, 2196, 2277, 2314, 2379, 2574, 2684, 2691, 2806, 2937, 3036, 3172, 3204, 3289, 3471, 3588, 3916, 4026, 4094, 4209, 4554, 4628, 4758, 5148, 5382, 5429, 5612, 5874, 6039, 6141, 6578, 6942, 7137, 8052, 8188, 8418, 8723, 8811, 9108, 9516, 9867, 10413, 10764, 10858, 11748, 12078, 12282, 12627, 12727, 13156, 13884, 14274, 15433, 16287, 16836, 17446, 17622, 18239, 18423, 19734, 20826, 21716, 22517, 24156, 24564, 25254, 25454, 26169, 26611, 28548, 29601, 30866, 32574, 34892, 35244, 36478, 36846, 38181, 39468, 41652, 45034, 46299, 48861, 50508, 50908, 52338, 53222, 54717, 59202, 59719, 61732, 65148, 67551, 70577, 72956, 73692, 76362, 78507, 79833, 90068, 92598, 97722, 104676, 106444, 109434, 114543, 118404, 119438, 124867, 135102, 138897, 141154, 152724, 157014, 159666, 164151, 179157, 185196, 195444, 200629, 202653, 211731, 218868, 229086, 238876, 239499, 249734, 270204, 277794, 282308, 292721, 314028, 319332, 328302, 358314, 374601, 401258, 405306, 423462, 458172, 478998, 499468, 537471, 555588, 585442, 601887, 635193, 656604, 716628, 749202, 776347, 802516, 810612, 846924, 878163, 957996, 1074942, 1123803, 1170884, 1203774, 1270386, 1373537, 1498404, 1552694, 1623271, 1756326, 1805661, 2149884, 2247606, 2329041, 2407548, 2540772, 2634489, 2747074, 3105388, 3246542, 3512652, 3611322, 4120611, 4495212, 4658082, 4869813, 5268978, 5494148, 6493084, 6987123, 7222644, 8241222, 9316164, 9739626, 10537956, 12361833, 13974246, 14609439, 16482444, 17855981, 19479252, 24723666, 27948492, 29218878, 35711962, 49447332, 53567943, 58437756, 71423924, 107135886, 160703829, 214271772, 321407658, 642815316]

約数ペア:

[(1, 642815316), (2, 321407658), (3, 214271772), (4, 160703829), (6, 107135886), (9, 71423924), (11, 58437756), (12, 53567943), (13, 49447332), (18, 35711962), (22, 29218878), (23, 27948492), (26, 24723666), (33, 19479252), (36, 17855981), (39, 16482444), (44, 14609439), (46, 13974246), (52, 12361833), (61, 10537956), (66, 9739626), (69, 9316164), (78, 8241222), (89, 7222644), (92, 6987123), (99, 6493084), (117, 5494148), (122, 5268978), (132, 4869813), (138, 4658082), (143, 4495212), (156, 4120611), (178, 3611322), (183, 3512652), (198, 3246542), (207, 3105388), (234, 2747074), (244, 2634489), (253, 2540772), (267, 2407548), (276, 2329041), (286, 2247606), (299, 2149884), (356, 1805661), (366, 1756326), (396, 1623271), (414, 1552694), (429, 1498404), (468, 1373537), (506, 1270386), (534, 1203774), (549, 1170884), (572, 1123803), (598, 1074942), (671, 957996), (732, 878163), (759, 846924), (793, 810612), (801, 802516), (828, 776347), (858, 749202), (897, 716628), (979, 656604), (1012, 635193), (1068, 601887), (1098, 585442), (1157, 555588), (1196, 537471), (1287, 499468), (1342, 478998), (1403, 458172), (1518, 423462), (1586, 405306), (1602, 401258), (1716, 374601), (1794, 358314), (1958, 328302), (2013, 319332), (2047, 314028), (2196, 292721), (2277, 282308), (2314, 277794), (2379, 270204), (2574, 249734), (2684, 239499), (2691, 238876), (2806, 229086), (2937, 218868), (3036, 211731), (3172, 202653), (3204, 200629), (3289, 195444), (3471, 185196), (3588, 179157), (3916, 164151), (4026, 159666), (4094, 157014), (4209, 152724), (4554, 141154), (4628, 138897), (4758, 135102), (5148, 124867), (5382, 119438), (5429, 118404), (5612, 114543), (5874, 109434), (6039, 106444), (6141, 104676), (6578, 97722), (6942, 92598), (7137, 90068), (8052, 79833), (8188, 78507), (8418, 76362), (8723, 73692), (8811, 72956), (9108, 70577), (9516, 67551), (9867, 65148), (10413, 61732), (10764, 59719), (10858, 59202), (11748, 54717), (12078, 53222), (12282, 52338), (12627, 50908), (12727, 50508), (13156, 48861), (13884, 46299), (14274, 45034), (15433, 41652), (16287, 39468), (16836, 38181), (17446, 36846), (17622, 36478), (18239, 35244), (18423, 34892), (19734, 32574), (20826, 30866), (21716, 29601), (22517, 28548), (24156, 26611), (24564, 26169), (25254, 25454)]