1281471312

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 240

約数和(自身を含む): 3890001024

約数和(自身を除く): 2608529712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 53, 66, 69, 88, 92, 106, 121, 132, 138, 159, 176, 181, 184, 212, 242, 253, 264, 276, 318, 362, 363, 368, 424, 484, 506, 528, 543, 552, 583, 636, 724, 726, 759, 848, 968, 1012, 1086, 1104, 1166, 1219, 1272, 1448, 1452, 1518, 1749, 1936, 1991, 2024, 2172, 2332, 2438, 2544, 2783, 2896, 2904, 3036, 3498, 3657, 3982, 4048, 4163, 4344, 4664, 4876, 5566, 5808, 5973, 6072, 6413, 6996, 7314, 7964, 8326, 8349, 8688, 9328, 9593, 9752, 11132, 11946, 12144, 12489, 12826, 13409, 13992, 14628, 15928, 16652, 16698, 19186, 19239, 19504, 21901, 22264, 23892, 24978, 25652, 26818, 27984, 28779, 29256, 31856, 33304, 33396, 38372, 38478, 40227, 43802, 44528, 45793, 47784, 49956, 51304, 53636, 57558, 58512, 65703, 66608, 66792, 76744, 76956, 80454, 87604, 91586, 95568, 99912, 102608, 105523, 107272, 115116, 131406, 133584, 137379, 147499, 153488, 153912, 160908, 175208, 183172, 199824, 211046, 214544, 220639, 230232, 262812, 274758, 294998, 307824, 316569, 321816, 350416, 366344, 422092, 441278, 442497, 460464, 503723, 525624, 549516, 589996, 633138, 643632, 661917, 732688, 844184, 882556, 884994, 1007446, 1051248, 1099032, 1160753, 1179992, 1266276, 1323834, 1511169, 1688368, 1765112, 1769988, 2014892, 2198064, 2321506, 2359984, 2427029, 2532552, 2647668, 3022338, 3482259, 3530224, 3539976, 4029784, 4643012, 4854058, 5065104, 5295336, 6044676, 6964518, 7079952, 7281087, 8059568, 9286024, 9708116, 10590672, 12089352, 13929036, 14562174, 18572048, 19416232, 24178704, 26697319, 27858072, 29124348, 38832464, 53394638, 55716144, 58248696, 80091957, 106789276, 116497392, 160183914, 213578552, 320367828, 427157104, 640735656, 1281471312]

約数ペア:

[(1, 1281471312), (2, 640735656), (3, 427157104), (4, 320367828), (6, 213578552), (8, 160183914), (11, 116497392), (12, 106789276), (16, 80091957), (22, 58248696), (23, 55716144), (24, 53394638), (33, 38832464), (44, 29124348), (46, 27858072), (48, 26697319), (53, 24178704), (66, 19416232), (69, 18572048), (88, 14562174), (92, 13929036), (106, 12089352), (121, 10590672), (132, 9708116), (138, 9286024), (159, 8059568), (176, 7281087), (181, 7079952), (184, 6964518), (212, 6044676), (242, 5295336), (253, 5065104), (264, 4854058), (276, 4643012), (318, 4029784), (362, 3539976), (363, 3530224), (368, 3482259), (424, 3022338), (484, 2647668), (506, 2532552), (528, 2427029), (543, 2359984), (552, 2321506), (583, 2198064), (636, 2014892), (724, 1769988), (726, 1765112), (759, 1688368), (848, 1511169), (968, 1323834), (1012, 1266276), (1086, 1179992), (1104, 1160753), (1166, 1099032), (1219, 1051248), (1272, 1007446), (1448, 884994), (1452, 882556), (1518, 844184), (1749, 732688), (1936, 661917), (1991, 643632), (2024, 633138), (2172, 589996), (2332, 549516), (2438, 525624), (2544, 503723), (2783, 460464), (2896, 442497), (2904, 441278), (3036, 422092), (3498, 366344), (3657, 350416), (3982, 321816), (4048, 316569), (4163, 307824), (4344, 294998), (4664, 274758), (4876, 262812), (5566, 230232), (5808, 220639), (5973, 214544), (6072, 211046), (6413, 199824), (6996, 183172), (7314, 175208), (7964, 160908), (8326, 153912), (8349, 153488), (8688, 147499), (9328, 137379), (9593, 133584), (9752, 131406), (11132, 115116), (11946, 107272), (12144, 105523), (12489, 102608), (12826, 99912), (13409, 95568), (13992, 91586), (14628, 87604), (15928, 80454), (16652, 76956), (16698, 76744), (19186, 66792), (19239, 66608), (19504, 65703), (21901, 58512), (22264, 57558), (23892, 53636), (24978, 51304), (25652, 49956), (26818, 47784), (27984, 45793), (28779, 44528), (29256, 43802), (31856, 40227), (33304, 38478), (33396, 38372)]